Figure 1.
A flow chart showing the study procedures. RFA, radiofrequency ablation; TACE, transcatheter arterial chemoembolization; ERCP, endoscopic retrograde cholangiopancreatography; PTCD, percutaneous transhepatic cholangio drain; ICC, intrahepatic cholangiocarcinoma; HCC, hepatocellular carcinoma; DM, diabetes mellitus.