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To the Editor :rnBile leak after laparoscopic cholecystectomy remains a signifi- cant cause of postoperative morbidity. Cystic duct stump is the most common site (～70％) of bile leak after cholecystectomy [1] . In- cidence of bile leak from the cystic duct stump is 0.5％ ?3％ which is higher (4％ ?7％) in cases with complicated gallstone disease (e.g. acute cholecystitis) [2] .