Results Through check the ERCP final diagnosis is :11 case of common duct stones ,4 case of biliary tree inflam,5 case of choledoch tumor,5 case of acute pancreatitis,1 case of biliary ducts roundworm.

• 结果通过ERCP检查确诊为:胆总管结石11例,胆系炎症4例,胆总管肿瘤5例,急性胰腺炎5例,胆管蛔虫1例。