56 year old female T-tube cholangiogram with retained stone in CBD with drain tube in situ. Dr. Masfique A Bhuiyan FCPSBy Dr.Masfique Ahmed Bhuiyan / February 23, 2021 56 year old female T-tube cholangiogram with retained stone in CBD with drain tube in situ. Dr. Masfique A Bhuiyan FCPS