부산대학교 도서관

Versluis, JM; Menzies, AM; Sikorska, K; Rozeman, EA; Saw, RPM; van Houdt, WJ; Eriksson, H; Klop, WMC; Ch'ng, S; van Thienen, JV; Mallo, H; Gonzalez, M; Acosta, AT; Grijpink-Ongering, LG; van der Wal, A; Bruining, A; van de Wiel, BA; Scolyer, RA; Haanen, JBAG; Schumacher, TN; van Akkooi, ACJ; Long, GV; Blank, CU

Annals of oncology : official journal of the European Society for Medical Oncology. 34(4):420-430

Kranenburg, LJC; Reerds, STH; Cools, M; Alderson, J; Muscarella, M; Magrite, E; Kuiper, M; Abdelgaffar, S; Balsamo, A; Brauner, R; Chanoine, JP; Deeb, A; Fechner, P; German, A; Holterhus, PM; Juul, A; Mendonca, BB; Neville, K; Nordenstrom, A; Oostdijk, W; Rey, RA; Rutter, MM; Shah, N; Luo, XP; Grijpink, K; Drop, SLS

Hormone research in paediatrics. 88(2):127-139

Huisarts en Wetenschap. July 2004 47(7):533-533

Rozeman, EA; Hoefsmit, EP; Reijers, ILM; Saw, RPM; Versluis, JM; Krijgsman, O; Dimitriadis, P; Sikorska, K; van de Wiel, BA; Eriksson, H; Gonzalez, M; Acosta, AT; Grijpink-Ongering, LG; Shannon, K; Haanen, JBAG; Stretch, J; Ch'ng, S; Nieweg, OE; Mallo, HA; Adriaansz, S; Kerkhoven, RM; Cornelissen, S; Broeks, A; Klop, WMC; Zuur, CL; van Houdt, WJ; Peeper, DS; Spillane, AJ; van Akkooi, ACJ; Scolyer, RA; Schumacher, TNM; Menzies, AM; Long, GV; Blank, CU

Nature medicine. 27(2):256

M.W. Rohaan; R. Gomez-Eerland; J.H. van den Berg; M.H. Geukes Foppen; M. van Zon; B. Raud; I. Jedema; S. Scheij; R. de Boer; N.A.M. Bakker; D. van den Broek; L.M. Pronk; L.G. Grijpink-Ongering; A. Sari; R. Kessels; M. van den Haak; H.A. Mallo; M. Karger; B.A. van de Wiel; C.L. Zuur; C.W. Duinkerken; F. Lalezari; J.V. van Thienen; S. Wilgenhof; C.U. Blank; J.H. Beijnen; B. Nuijen; T.N. Schumacher; J.B.A.G. Haanen

Immuno-Oncology and Technology, Vol 15, Iss , Pp 100089- (2022)

Blank CU; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.).; Lucas MW; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.).; Scolyer RA; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.).; van de Wiel BA; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.).; Menzies AM; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.).; Lopez-Yurda M; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.).; Hoeijmakers LL; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.).; Saw RPM; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.).; Lijnsvelt JM; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.).; Maher NG; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.).; Pulleman SM; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.).; Gonzalez M; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.).; Torres Acosta A; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.).; van Houdt WJ; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.).; Lo SN; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.).; Kuijpers AMJ; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.).; Spillane A; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.).; Klop WMC; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.).; Pennington TE; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.).; Zuur CL; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.).; Shannon KF; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.).; Seinstra BA; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.).; Rawson RV; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.).; Haanen JBAG; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.).; Ch'ng S; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.).; Naipal KAT; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.).; Stretch J; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.).; van Thienen JV; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.).; Rtshiladze MA; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.).; Wilgenhof S; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.).; Kapoor R; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.).; Meerveld-Eggink A; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.).; Grijpink-Ongering LG; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.).; van Akkooi ACJ; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.).; Reijers ILM; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.).; Gyorki DE; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.).; Grünhagen DJ; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.).; Speetjens FM; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.).; Vliek SB; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.).; Placzke J; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.).; Spain L; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.).; Stassen RC; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.).; Amini-Adle M; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.).; Lebbé C; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.).; Faries MB; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.).; Robert C; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.).; Ascierto PA; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.).; van Rijn R; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.).; van den Berkmortel FWPJ; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.).; Piersma D; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.).; van der Westhuizen A; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.).; Vreugdenhil G; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.).; Aarts MJB; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.).; Stevense-den Boer MAM; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.).; Atkinson V; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.).; Khattak M; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.).; Andrews MC; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.).; van den Eertwegh AJM; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.).; Boers-Sonderen MJ; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.).; Hospers GAP; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.).; Carlino MS; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.).; de Groot JB; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.).; Kapiteijn E; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.).; Suijkerbuijk KPM; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.).; Rutkowski P; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.).; Sandhu S; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.).; van der Veldt AAM; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.).; Long GV; From the Departments of Medical Oncology (C.U.B., M.W.L., L.L.H., J.M.L., S.M.P., J.B.A.G.H., K.A.T.N., J.V.T., S.W., A.M.-E., I.L.M.R.), Pathology (B.A.W.), Biometrics (M.L.-Y., A.T.A., L.G.G.-O.), Surgical Oncology (W.J.H., A.M.J.K., A.C.J.A.), Head and Neck Surgery (W.M.C.K., C.L.Z.), Radiology (B.A.S.), and Molecular Oncology and Immunology (J.B.A.G.H.), Netherlands Cancer Institute, and the Department of Medical Oncology, Amsterdam University Medical Center, Vrije Universiteit Amsterdam, Cancer Center Amsterdam (A.J.M.E.), Amsterdam, the Departments of Medical Oncology (C.U.B., J.B.A.G.H., F.M.S., E.K.) and Otorhinolaryngology Head and Neck Surgery (C.L.Z.), Leiden University Medical Center, Leiden, the Departments of Medical Oncology (K.A.T.N., R.C.S., A.A.M.V.), Surgical Oncology (D.J.G., R.C.S.), and Radiology and Nuclear Medicine (A.A.M.V.), Erasmus Medical Center, Rotterdam, the Department of Medical Oncology, University Medical Center Utrecht, Utrecht University, Utrecht (S.B.V., K.P.M.S.), the Department of Medical Oncology, Medical Center Leeuwarden, Leeuwarden (R.R.), the Department of Medical Oncology, Zuyderland Medical Center, Sittard-Geleen (F.W.P.J.B.), the Department of Medical Oncology, Medisch Spectrum Twente, Enschede (D.P.), the Department of Medical Oncology, Maxima Medical Center, Veldhoven (G.V.), the Department of Medical Oncology, Maastricht University Medical Center, GROW School for Oncology and Developmental Biology, Maastricht (M.J.B.A.), the Department of Medical Oncology, Amphia Hospital, Breda (M.A.M.S.B.), the Department of Medical Oncology, Radboud University Medical Center, Nijmegen (M.J.B.-S.), the Department of Medical Oncology, University of Groningen, University Medical Center Groningen, Groningen (G.A.P.H.), and Isala Oncology Center, Isala Hospital, Zwolle (J.-W.B.G.) - all in the Netherlands; the Department of Hematology and Medical Oncology, University Clinic Regensburg, Regensburg, Germany (C.U.B.); Melanoma Institute Australia (R.A.S., A.M.M., R.P.M.S., N.G.M., M.G., S.N.L., A.S., T.E.P., K.F.S., R.V.R., S.C., J.S., M.A.R., A.C.J.A., M.S.C., G.V.L.), the Faculty of Medicine and Health (R.A.S., A.M.M., R.P.M.S., N.G.M., S.N.L., A.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A., G.V.L.), and Charles Perkins Centre (R.A.S., G.V.L.), University of Sydney, the Departments of Tissue Pathology and Diagnostic Oncology (R.A.S., R.V.R.) and Melanoma and Surgical Oncology (R.P.M.S., T.E.P., K.F.S., S.C., J.S., M.A.R., A.C.J.A.), Royal Prince Alfred Hospital, NSW Health Pathology (R.A.S., R.V.R.), the Departments of Medical Oncology (A.M.M., G.V.L.) and Breast and Melanoma Surgery (A.S.), Royal North Shore and Mater Hospitals, and the Department of Radiology, Mater Hospital (R.K.), Sydney, Royal Prince Alfred Hospital, Institute of Academic Surgery, Camperdown, NSW (A.C.J.A.), the Division of Cancer Surgery, Peter MacCallum Cancer Centre and Sir Peter MacCallum Department of Oncology, University of Melbourne, Melbourne, VIC (D.E.G.), the Department of Medical Oncology, Peter MacCallum Cancer Centre, East Melbourne, VIC (L.S., S.S.), Lake Macquarie Oncology, Lake Macquarie Private Hospital, the Department of Medical Oncology, Calvary Mater Hospital, and the Department of Medicine, School of Medicine and Public Health, University of Newcastle, Newcastle, NSW (A.W.), the Department of Medical Oncology, Princess Alexandra Hospital, University of Queensland, Brisbane (V.A.), the Department of Medical Oncology, Fiona Stanley Hospital, Perth, WA (M.K.), the Department of Medical Oncology, Alfred Health, Melbourne, and the Department of Medicine, School of Translational Medicine, Monash University, Melbourne, VIC (M.C.A.), and the Department of Medical Oncology, Westmead Hospital and Blacktown, Sydney (M.S.C.) - all in Australia; the Melanoma Clinic, Centre Hospitalier Universitaire Vaudois, Lausanne, Switzerland (J.B.A.G.H.); the Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie National Research Institute of Oncology, Warsaw, Poland (J.P., P.R.); the Department of Medical Oncology, Centre Léon Bérard, Lyon (M.A.-A.), Université Paris Cité, Assistance Publique-Hôpitaux de Paris (AP-HP) Dermato-Oncology and Clinical Investigation Center, Cancer Institute AP-HP, Nord Paris Cité, INSERM Unité 976, Saint Louis Hospital, Paris (C.L.), and the Department of Medical Oncology, Gustave Roussy and Paris-Saclay University, Villejuif (C.R.) - all in France; the Department of Surgical Oncology, Angeles Clinic and Research Institute, Los Angeles (M.B.F.); and the Melanoma Cancer Immunotherapy and Innovative Therapy Unit, Istituto Nazionale Tumori IRCCS Fondazione G. Pascale, Naples, Italy (P.A.A.).

Publisher: Massachusetts Medical Society Country of Publication: United States NLM ID: 0255562 Publication Model: Print-Electronic Cited Medium: Internet ISSN: 1533-4406 (Electronic) Linking ISSN: 00284793 NLM ISO Abbreviation: N Engl J Med Subsets: MEDLINE

Rozeman, EA; Menzies, AM; van Akkooi, ACJ; Adhikari, C; Bierman, C; van de Wiel, BA; Scolyer, RA; Krijgsman, O; Sikorska, K; Eriksson, H; Broeks, A; van Thienen, JV; Guminski, AD; Acosta, AT; ter Meulen, S; Koenen, AM; Bosch, LJW; Shannon, K; Pronk, LM; Gonzalez, M; Ch'ng, S; Grijpink-Ongering, LG; Stretch, J; Heijmink, S; van Tinteren, H; Haanen, JBAG; Nieweg, OE; Klop, WMC; Zuur, CL; Saw, RPM; van Houdt, WJ; Peeper, DS; Spillane, AJ; Hansson, J; Schumacher, TN; Long, GV; Blank, CU

The Lancet. Oncology. 20(7):948-960

Blank, Christian U.; Rozeman, Elisa A.; Fanchi, Lorenzo F.; Sikorska, Karolina; van de Wiel, Bart; Kvistborg, Pia; Krijgsman, Oscar; van den Braber, Marlous; Philips, Daisy; Broeks, Annegien; van Thienen, Johannes V.; Mallo, Henk A.; Adriaansz, Sandra; ter Meulen, Sylvia; Pronk, Loes M.; Grijpink-Ongering, Lindsay G.; Bruining, Annemarie; Gittelman, Rachel M.; Warren, Sarah; van Tinteren, Harm; Peeper, Daniel S.; Haanen, John B. A. G.; van Akkooi, Alexander C. J.; Schumacher, Ton N.

Nature Medicine. 24(11):1655-1661

Kranenburg, Laura; Reerds, Sam T. H.; Cools, Martine; Alderson, Julie; Muscarella, Miriam; Grijpink, Kalinka; Quigley, Charmian A.; Drop, Stenvert L. S.

Medical Science Educator. December 2016 26(4):679-689

Chekanov, S; Derrick, M; Loizides, JH; Magill, S; Miglioranzi, S; Musgrave, B; Repond, J; Yoshida, R; Mattingly, MCK; Pavel, N; Antonioli, P; Bari, G; Basile, M; Bellagamba, L; Boscherini, D; Bruni, A; Bruni, G; Romeo, GC; Cifarelli, L; Cindolo, F; Contin, A; Corradi, M; De Pasquale, S; Giusti, P; Iacobucci, G; Margotti, A; Montanari, A; Nania, R; Palmonari, F; Pesci, A; Rinaldi, L; Sartorelli, G; Zichichi, A; Aghuzumtsyan, G; Bartsch, D; Brock, I; Goers, S; Hartmann, H; Hilger, E; Irrgang, P; Jakob, HP; Kind, O; Meyer, U; Paul, E; Rautenberg, J; Renner, R; Stifutkin, A; Tandler, J; Voss, KC; Wang, M; Bailey, DS; Brook, NH; Cole, JE; Heath, GP; Namsoo, T; Robins, S; Wing, M; Capua, M; Mastroberardino, A; Schioppa, M; Susinno, G; Kim, JY; Lim, IT; Ma, KJ; Pac, MY; Helbich, M; Ning, Y; Ren, Z; Schmidke, WB; Sciulli, F; Chwastowski, J; Eskreys, A; Figiel, J; Galas, A; Olkiewicz, K; Stopa, P; Zawiejski, L; Adamczyk, L; Bold, T; Grabowska-Bold, I; Kisielewska, D; Kowal, AM; Kowal, M; Lukasik, J; Przybycien, M; Suszycki, L; Szuba, D; Szuba, J; Kotanski, A; Slominski, W; Adler, V; Behrens, U; Bloch, I; Borras, K; Chiochia, V; Dannheim, D; Drews, G; Fourletova, J; Fricke, U; Geiser, A; Gottlicher, P; Gutsche, O; Haas, T; Hain, W; Hillert, S; Horn, C; Kahle, B; Kotz, U; Kowalski, H; Kramberger, G; Labes, H; Lelas, D; Lim, H; Lohr, B; Mankel, R; Melzer-Pellmann, IA; Nguyen, CN; Notz, D; Nuncio-Quiroz, AE; Polini, A; Raval, A; Rurua, L; Schneekloth, U; Stosslein, U; Wolf, G; Youngman, C; Zeuner, W; Schlenstedt, S; Barbagli, G; Gallo, E; Genta, C; Pelfer, R; Bamberger, A; Benen, A; Karstens, F; Dobur, D; Vlasov, NN; Bell, M; Bussey, PJ; Doyle, AT; Ferrando, J; Hamilton, J; Hanlon, S; Saxon, DH; Skillicorn, IO; Gialas, I; Carli, T; Gosau, T; Holm, U; Krumnack, N; Lohrmann, E; Milite, M; Salehi, H; Schleper, P; Schorner-Sadenius, T; Stonjek, S; Wichmann, K; Wick, K; Ziegler, A; Collins-Tooth, C; Foudas, C; Goncalo, R; Long, KR; Tapper, AD; Cloth, P; Filges, D; Kataoka, M; Nagano, K; Tokushuku, K; Yamada, S; Yamazaki, Y; Barakbaev, AN; Boos, EG; Pokrovskiy, NS; Zhautykov, BO; Son, D; Piotrzkowski, K; Barreiro, F; Glasman, C; Gonzalez, O; Labarga, L; del Peso, J; Tassi, E; Terron, J; Zambrana, M; Barbi, M; Corriveau, F; Gliga, S; Lainesse, J; Padhi, S; Stairs, DG; Walsh, R; Tsurugai, T; Antonov, A; Danilov, P; Dolgoshein, BA; Gladkov, D; Sosnovtsev, V; Suchkov, S; Dementiev, RK; Ermolov, PF; Katkov, II; Khein, LA; Korzhavina, IA; Kuzmin, VA; Levchenko, BB; Lukina, OY; Proskuryakov, AS; Shcheglova, LM; Zotkin, SA; Abt, I; Buttner, C; Caldwell, A; Liu, X; Sutiak, J; Coppola, N; Grijpink, S; Koffeman, E; Kooijman, P; Maddox, E; Pellegrino, A; Schagen, S; Tiecke, H; Vazquez, M; Wiggers, L; de Wolf, E; Brummer, N; Bylsma, B; Durkin, LS; Ling, TY; Cooper-Sarkar, AM; Cottrell, A; Devenish, RCE; Foster, B; Grzelak, G; Gwenlan, C; Kohno, T; Patel, S; Straub, PB; Walczak, R; Bertolin, A; Brugnera, R; Carlin, R; Dal Corso, F; Dusini, S; Garfagnini, A; Limentani, S; Longhin, A; Parenti, A; Posocco, M; Stanco, L; Turcato, M; Heaphy, EA; Metlica, E; Oh, BY; Whitmore, JJ; Iga, Y; D'Agostini, G; Marini, G; Nigro, A; Cormack, C; Hart, JC; McCubbin, NA; Heusch, C; Park, IH; Abramowicz, H; Gabareen, A; Kananov, S; Kreisel, A; Levy, A; Kuze, M; Fusayasu, T; Kagawa, S; Tawara, T; Yamashita, T; Hamatsu, R; Hirose, T; Inuzuka, M; Kaji, H; Kitamura, S; Matsuzawa, K; Costa, M; Ferrero, MI; Monaco, V; Sacchi, R; Solano, A; Arneodo, M; Ruspa, M; Koop, T; Martin, JF; Mirea, A; Butterworth, JM; Hall-Wilton, R; Jones, TW; Lightwood, MS; Sutton, MR; Targett-Adams, C; Ciborowski, J; Ciesielski, R; Luzniak, P; Nowak, RJ; Pawlak, JM; Sztuk, J; Tymieniecka, T; Ukleja, A; Ukleja, J; Zarnecki, AF; Adamus, M; Plucinski, P; Eisenberg, Y; Hochman, D; Karshon, U; Riveline, M; Everett, A; Gladilin, LK; Kcira, D; Lammers, S; Li, L; Reeder, DD; Rosin, M; Ryan, P; Savin, AA; Smith, WH; Dhawan, S; Bhadra, S; Catterall, CD; Fourletov, S; Hartner, G; Menary, S; Soares, M; Standage, J; ZEUS Collaboration

PHYSICS LETTERS B; JUL 1 2004, 591 1-2, p7-p22, 16p.