title: Vesicoenteric fistula.
mesh_terms: D004239:Diverticulitis, Colonic / Q000150:complications; D006801:Humans; D007412:Intestinal Fistula / Q000209:etiology / Q000601:surgery*; D008297:Male; D008875:Middle Aged; D012810:Sigmoid Diseases / Q000209:etiology / Q000601:surgery*; D001747:Urinary Bladder Fistula / Q000209:etiology / Q000601:surgery*