Leiomyosarcoma of the inferior vena cava.
D005260:Female; D006801:Humans; D007890:Leiomyosarcoma / Q000000981:diagnostic imaging* / Q000473:pathology; D008875:Middle Aged; D011859:Radiography; D012186:Retroperitoneal Neoplasms / Q000000981:diagnostic imaging* / Q000473:pathology; D014682:Vena Cava, Inferior / Q000000981:diagnostic imaging* / Q000473:pathology