Laparoscopic Treatment of Common Bile Duct Stones : What Are the Limits and When Should we Call the Endoscopist ?

Inclusion criteria: * More than 18 years old * Between 2007 and 2019 * Montpellier University Hospital * Laparoscopic cholecystectomy for symptomatic cholelithiasis associated to common bile duct stones * Common bile duct stones highlighted on preoperative imaging or intraoperative cholangiography * Common bile duct stones treated during the same hospital stay surgically or endocopically Exclusion criteria: * Laparotomy * Previous ERCP * Less than 18 years old * Lost to follow up * Lack of data \> 10% * Other surgical procedure associated at the same time * Previous cholecystectomy * Caroli's disease * Severe cholangitis or acute pancreatitis * Pigmentary or hydatic lithiasis * Laparoscopic cholecystectomy for other indication than symptomatic cholelithiasis