1,117
Participants
Start Date
January 31, 2020
Primary Completion Date
November 18, 2021
Study Completion Date
November 18, 2021
ERCP
Routine ERCP for CBD stone with the gallbladder in situ, the chronic gallbladder status was defined as gallbladder wall thickness≥4mm, chronic cholecystitis, polyps,crudely or calculus .
Hepatopancreatobiliary Surgery Institute of Gansu Province, Lanzhou
Hepatopancreatobiliary Surgery Institute of Gansu Province
OTHER