Melanoma of small bowel as a cause of melaena.
D006801:Humans; D007421:Intestine, Small; D007422:Intestines; D008499:Medical Records; D008545:Melanoma; D008551:Melena / Q000209:etiology*; D009369:Neoplasms
INTESTINE, SMALL/neoplasms; MELANOMA/case reports; MELENA/etiology and pathogenesis