Postoperative anorectal hemorrhage.
D001003:Anal Canal / Q000601:surgery*; D013505:Digestive System Surgical Procedures; D006470:Hemorrhage / Q000209:etiology*; D006801:Humans; D007422:Intestines; D019106:Postoperative Hemorrhage; D012007:Rectum / Q000601:surgery*
ANUS/surgery; HEMORRHAGE/etiology; RECTUM/surgery