Most common cause of biliary stricture is
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
CBD stone
Trauma
Asiatic cholangitis
Congenital
G.I.T