Giant sigmoid diverticulum with perforation.
D012809:Colon, Sigmoid / Q000000981:diagnostic imaging / Q000601:surgery; D004241:Diverticulum, Colon / Q000150:complications* / Q000000981:diagnostic imaging / Q000601:surgery; D006801:Humans; D007416:Intestinal Perforation / Q000000981:diagnostic imaging / Q000209:etiology* / Q000601:surgery; D008297:Male; D008875:Middle Aged; D011859:Radiography