title: Confined perforation of a prepyloric ulcer into the duodenum forming a gastroduodenal fistula.
mesh_terms: D000368:Aged; D003078:Colchicine / Q000009:adverse effects*; D004378:Duodenal Diseases / Q000139:chemically induced*; D004381:Duodenal Ulcer / Q000150:complications; D005747:Gastric Fistula / Q000139:chemically induced*; D006801:Humans; D007412:Intestinal Fistula / Q000139:chemically induced*; D008297:Male; D010439:Peptic Ulcer Perforation / Q000150:complications*; D011706:Pyloric Antrum; D013276:Stomach Ulcer / Q000150:complications*
chemical_list: D003078:Colchicine