title: Collaborations between SSO and the Connective Tissue Oncology Society (CTOS) series.
authors.affiliation: Division of Surgical Oncology and Thoracic Surgery, Department of Surgery, Mannheim University Medical Center, University of Heidelberg, Mannheim, Germany, peter.hohenberger@umm.de.
authors.forename: Peter
authors.initials: P
authors.lastname: Hohenberger
authors.forename: Richard
authors.initials: R
authors.lastname: Gorlick
authors.forename: Alessandro
authors.initials: A
authors.lastname: Gronchi
mesh_terms: D003238:Connective Tissue / Q000473:pathology*; D003299:Cooperative Behavior; D006801:Humans; D008495:Medical Oncology; D009369:Neoplasms / Q000175:diagnosis* / Q000517:prevention & control; D012955:Societies, Medical