Treatment of giant choledochal cysts with combined surgery and percutaneous transhepatic cholangial drainage: A case report

Figure 3 Changes in color and properties of percutaneous transhepatic cholangial drainage fluid. A: The drainage fluid collected on the day of percutaneous transhepatic cholangial drainage surgery appearing dark and turbid; B: A clear drainage fluid was obtained on the first fast discharge, closely resembling normal bile; C: The drainage fluid collected during the second hospitalization for surgical treatment was clear, consistent with normal bile.