title: [Non-organ retroperitoneal neoplasm].
mesh_terms: D000328:Adult; D006801:Humans; D008080:Liposarcoma / Q000175:diagnosis*; D008297:Male; D009217:Myosarcoma / Q000175:diagnosis*; D012186:Retroperitoneal Neoplasms / Q000175:diagnosis*
vernacular_title: Neorgannaia zabriushinnaia opukho'.