Large melena caused by sponge ulcerating into lumen of ileum more than twenty years after celiotomy.
D000005:Abdomen / Q000601:surgery*; D034841:Abdominal Cavity; D000818:Animals; D005547:Foreign Bodies; D006470:Hemorrhage; D006801:Humans; D007082:Ileum; D007422:Intestines; D007813:Laparotomy; D008551:Melena; D011161:Porifera
ABDOMEN/foreign bodies; ABDOMEN/surgery; FOREIGN BODIES/surgical; INTESTINES/hemorrhage