Presacral teratoma.
D000328:Adult; D003050:Coccyx / Q000601:surgery; D006801:Humans; D008297:Male; D012002:Rectal Diseases / Q000209:etiology; D012445:Sacrococcygeal Region; D013724:Teratoma / Q000473:pathology / Q000601:surgery; D014555:Urination Disorders / Q000209:etiology