title: Bladder fistula.
mesh_terms: D003110:Colonic Neoplasms / Q000175:diagnosis; D003424:Crohn Disease / Q000150:complications; D003937:Diagnosis, Differential; D004238:Diverticulitis / Q000175:diagnosis; D006801:Humans; D011859:Radiography; D001747:Urinary Bladder Fistula / Q000000981:diagnostic imaging* / Q000209:etiology