Synovial chondrosarcoma of the knee joint.
D000328:Adult; D000671:Amputation, Surgical; D002358:Cartilage, Articular / Q000473:pathology; D002813:Chondrosarcoma / Q000000981:diagnostic imaging / Q000473:pathology / Q000601:surgery; D006801:Humans; D007719:Knee Joint / Q000000981:diagnostic imaging; D008297:Male; D011859:Radiography; D013583:Synovial Membrane