The diagnostic rate of ERC for biliary stricture, leakage and stone was 98.1%(51/52),100%(6/6) and 100%(13/13), respectively.

• 经内镜逆行胆管造影诊断胆管狭窄、胆漏和胆管结石的成功率分别为98·1%25(51/52)、100%25和100%25(13/13)。