title: The acquired double pylorus.
mesh_terms: D000328:Adult; D000368:Aged; D004378:Duodenal Diseases / Q000209:etiology*; D005260:Female; D005747:Gastric Fistula / Q000209:etiology*; D006801:Humans; D007412:Intestinal Fistula / Q000209:etiology*; D008297:Male; D008875:Middle Aged; D010437:Peptic Ulcer / Q000150:complications; D011706:Pyloric Antrum