Severe melaena due to a leiomyoma of the duodenum.
D004379:Duodenal Neoplasms; D004386:Duodenum; D006801:Humans; D007889:Leiomyoma / Q000150:complications*; D008551:Melena / Q000209:etiology*; D009369:Neoplasms
DUODENUM/neoplasms; LEIOMYOMA/complications; MELENA/etiology and pathogenesis