Conclusions:It is necessary to anatomize carefully and avoid impairing undefined cannular structure during operation.Sometimes, open cholecystectomy is n...

• 结论:术中仔细解剖,尽量避免损伤不明的管状结构,对胆囊三角解剖不清者,中转开腹是减少肝外胆管损伤的必要措施。