Department of Hepatobiliary The Second Affiliated Hospital Army Medical University Chongqing 400037 China;
Department of Hepatobiliary North-Kuanren General Hospital Chongqing 401121 China;
Department of Hepatobiliary The Second Affiliated Hospital Army Medical University Chongqing 400037 China;
Department of Hepatobiliary The Second Affiliated Hospital Army Medical University Chongqing 400037 China;
Department of Hepatobiliary The Second Affiliated Hospital Army Medical University Chongqing 400037 China;
Department of Hepatobiliary The Second Affiliated Hospital Army Medical University Chongqing 400037 China;
Department of Hepatobiliary The Second Affiliated Hospital Army Medical University Chongqing 400037 China;
Common bile duct; Choledocholithiasis; Duct of gallbladder; Gallstone; Endoscopic retrograde cholangiopancreatography; Case report;