Duodenal obstruction due to malignant villous adenoma. Report of a case.
D000236:Adenoma / Q000473:pathology*; D000368:Aged; D004379:Duodenal Neoplasms / Q000473:pathology*; D004380:Duodenal Obstruction / Q000209:etiology*; D005260:Female; D006801:Humans