Primary non-specific ulcer of ileum presenting with massive rectal haemorrhage.
D000293:Adolescent; D006471:Gastrointestinal Hemorrhage / Q000209:etiology*; D006801:Humans; D007082:Ileum; D007410:Intestinal Diseases / Q000150:complications / Q000473:pathology / Q000601:surgery; D008297:Male; D014456:Ulcer / Q000150:complications*