[Retroperitoneal liposarcoma].
D006801:Humans; D008080:Liposarcoma / Q000000981:diagnostic imaging / Q000473:pathology*; D008297:Male; D008875:Middle Aged; D009364:Neoplasm Recurrence, Local; D011859:Radiography; D012186:Retroperitoneal Neoplasms / Q000000981:diagnostic imaging / Q000473:pathology*
Liposarcoma retroperitoneal.