An unusual cause of gastro-intestinal bleeding.
D000293:Adolescent; D000328:Adult; D000740:Anemia / Q000209:etiology; D005260:Female; D006471:Gastrointestinal Hemorrhage / Q000209:etiology*; D006801:Humans; D007414:Intestinal Neoplasms / Q000150:complications* / Q000175:diagnosis; D008875:Middle Aged; D009456:Neurofibromatosis 1 / Q000150:complications*; D012878:Skin Neoplasms / Q000150:complications