<prompt> Most common cause of biliary stricture isCBD stoneTraumaAsiatic cholangitisCongenital  <response>: Most common cause of benign biliary stricture is laparoscopic cholecytectomy I.e., operative trauma Incidence of bile duct injury during laparoscopic cholecystectomy is 0.3-0.85 Ref:Sabiston 20th edition Pgno :1502 