<prompt> All of the following conditions are associated with pneumobilia exceptSphincterotomyRupture of hydatid cystMirrizs syndromeGallstone ileus  <response>: Causes of pneumobilia Previous surgery papillotomy, choledochojejunostomy, ERCP with sphincterectomy Gallstone ileus Emphysematous cholecystitis Choledochoduodenal or cholecystocolic fistula Tracheobiliary fistula Suppurative cholangitis Mirrizs syndrome Due to cholecystoenteric fistula Ref: Sabiston 20th edition Pgno :1570 