Department of Surgery, Institut Curie, PSL Research University, Paris, France. Electronic address: sylvie.bonvalot@curie.fr. Department of Soft Tissue/Bone Sarcoma and Melanoma, Maria Sklodowska-Curie Institute-Oncology Center, Institute of Oncology, Warsaw, Poland. Department of Radiation Oncology, Centre François Baclesse, Caen, France; Department of Radiation Oncology, Centre Lacassagne, Nice, France. Department of Surgical Oncology, Centre Regional De Lutte Contre Le Cancer Paul Lamarque, Montpellier, France. Department of Radiation Oncology, Institut Claudius Regaud (ICR), Institut Universitaire du Cancer de Toulouse-Oncopole (IUCT-O), Toulouse, France. Department of Radiotherapy, Léon Bérard Cancer Center, Lyon, France. Department of Radiation Oncology, Országos Onkologiai Intézet, Budapest, Hungary. Department of Radiation Oncology, Chris O'Brien Lifehouse and The University of Sydney, Camperdown, NSW, Australia. Department of Radiation Oncology, Institut de Cancerologie de l'Ouest- Rene Gauducheau, Saint-Herblain, France. Department of Surgical Oncology, Istituto Oncologico Veneto IRCCS, Padova, Italy. Department of Medical Oncology, Hospital Fundación Jimenez Diaz, Madrid, Spain. Department of Medical Oncology, St Luke's Medical Center, Quezon City, Philippines. Department of Medical Oncology, The Medical City Cancer Center, Pasay City, Philippines. Department of Medical Oncology, Hospital Clinico Universitario San Carlos, Madrid, Spain. Department of Surgery, Fondazione IRCCS Istituto Nazionale Dei Tumori, Milan, Italy. Department of Oncotherapy, University of Pecs, Pecs, Hungary. Department of Radiation Oncology, Benavides Cancer Institute, University of Santo Tomas Hospital, Manila, Philippines. Department of Surgery, Division of Surgical Oncology and Thoracic Surgery, University Hospital Mannheim, University of Heidelberg, Mannheim, Germany. Department of Interventional Radiology, Gustave Roussy-Cancer Campus, Villejuif, France. Department of Medical Oncology, Gustave Roussy-Cancer Campus, Villejuif, France. Department of Radiation Therapy, Institut Curie, PSL Research University, Paris, France. Department of Medical Oncology, Centre Anticancer Antoine Lacassagne, Nice, France. Department of Radiotherapy, Maria Sklodowska-Curie Institute-Oncology Center, Institute of Oncology, Warsaw, Poland. Institutul Oncologic Bucuresti Prof Dr Alexandru Trestioreanu, Bucharest, Romania. Cebu Cancer Institute, Perpetual Succour Hospital, Cebu City, Philippines. Department of Orthopedic Surgery, ULB, Institut Jules Bordet, Brussels, Belgium. Department of Radiotherapy, Institut Bergonié, Comprehensive Cancer Center, Bordeaux, France. Radiation Oncology Department, Hospital HM Universitario Sanchinarro, Madrid, Spain. Department of Clinical Oncology, Prince of Wales Hospital, Sha Tin, Hong Kong. Radiation Oncology Department, Vall d'Hebron University Hospital, Barcelona, Spain. Department of Medical Oncology, Ghent University Hospital, Gent, Belgium. Municipal Emergency Hospital Timisoara, Timisoara, Romania. Iuliu Hatieganu Medical University, RTC Amethyst, Cluj, Romania. Department of Radiation Oncology, Canberra Region Cancer Centre, Garran, Australia. Department of Radiation-Oncology, Institut Paoli Calmettes, Marseille Cedex, France. Department of Radiology, Institut Curie, PSL Research University, Paris, France. Gerhard Domagk Institute of Pathology, University Hospital Münster, Münster, Germany. Gustave Roussy, Cancer Campus, Paris-Sud University, Villejuif, France. Departments of Pathology & Genomic Medicine, The University of Texas MD Anderson Cancer Center, Houston, TX, USA. Department of Pathology, Leiden University Medical Center, Leiden, Netherlands. Department of Radiation Oncology, Gustave Roussy-Cancer Campus, Villejuif, France. Medical Centre, Hungarian Defence Forces, Budapest, Hungary.