title: Antral duodenal fistula following penetration and perforation of a prepyloric ulcer into the duodenal bulb.
mesh_terms: D000368:Aged; D004378:Duodenal Diseases / Q000209:etiology*; D006801:Humans; D007412:Intestinal Fistula / Q000209:etiology*; D008297:Male; D013276:Stomach Ulcer / Q000150:complications*