Objective To investigate the outcomes of magnetic resonance cholangiopancrea-tography(MRCP) combined with blunt cold dissection of Calot triangle in the patients undergoing laparoscopic cholecystectomy(LC).Methods MRCP was performed in 581 patients with gallstone,of whom 13 cases were with stones in the comon bile duct,29 cases were with variant cystic duct,5 cases were with accessory hepatic duct,and 2 cases were with Mirizzi syndrome.LC was performed on 556 patients.During operation,the common hepatic duc...