The recurrent stones were found at following sites: 13 at left duct, 12 right duct , 8 left medial segment, 6 right anterior segment, 4 right posterior segment, 3 left lateral segment, 3 caudate.
The ratio of the diameter and length of the lateral oviduct and seminal duct of reproductive individuals in T. ampliceps was larger than in O. formosanus (P<0.01).
Objective to investigate the feasibility of laparoscopic resection of lateral lobe of left liver in the treatment of left intra - and extrahepatic bile duct stones.