[Megasigmoid volvulus].
D000368:Aged; D012809:Colon, Sigmoid; D003125:Colostomy; D006801:Humans; D007415:Intestinal Obstruction / Q000209:etiology* / Q000601:surgery; D008297:Male; D008531:Megacolon / Q000150:complications* / Q000601:surgery
Megasygma volvulus.