Fig. 2From: Signal enhancement ratio of CE-MRI: a potential biomarker of survival after hepatic arterial infusion chemotherapy in biliary tract cancersPatient flowchart. PTCD, percutaneous transhepatic cholangial drainage; RFA, radiofrequency ablation; HACI, hepatic arterial infusion chemotherapy; TACE, transarterial chemoembolization; CE-MRI, contrast-enhanced MRIBack to article page