Oligometastasis

• Institut Jules Bordet — Anderlecht, Belgium
• Universitair Ziekenhuis Gent — Ghent, Belgium
• Gasthuiszusters Antwerpen - Sint-Augustinus — Wilrijk, Belgium
• Centre Oscar Lambret — Lille, France

• Chinese PLA General hospital — Beijing, None Selected, China

• University Hospitals Leuven — Leuven, Belgium

• Institute of Cancer Research and Basic Medical Sciences, CAS Cancer Hospital, University of Chinese Academy of Sciences Zhejiang Cancer Hospital — Hangzhou, Zhejiang, China
• The Second Affiliated Hospital of Zhejiang University School of Medicine (SAHZU) — Hangzhou, Zhejiang, China
• Jiaxing Second Hospital — Jiaxing, Zhejiang, China
• The Central Hospital of Lishui — Lishui, Zhejiang, China

• University Hospital Tübingen, Department of Radiation Oncology — Tübingen, Baden-Wurttemberg, Germany

Not specified

• Huntsman Cancer Institute/University of Utah — Salt Lake City, Utah, United States

• European Institute of Oncology — Milan, Italy
• Istituto Oncologico Veneto - Irccs — Padova, Italy
• IRCCS Istituto Nazionale Tumori Regina Elena — Roma, Italy
• Maastricht University Medical Center — Maastricht, Netherlands

• Institut Sainte Catherine — Avignon, France
• Institut Bergonie — Bordeaux, France
• CHRU de Brest — Brest, France
• Clinique Pasteur — Brest, France