Anterograde cholecystectomy was used for the patients whose calot triangle could easily be distinguished,otherwise retrograde cholecystectomy or partial cholecystectomy should be used instead.

• 萎缩性胆囊炎胆囊三角尚能分离者行顺行胆囊切除，难以分离者行逆行胆囊切除或胆囊大部切除。