Efficacy and safety of percutaneous transhepatic biliary radiofrequency ablation in patients with malignant obstructive jaundice

Figure 1 Endobiliary radiofrequency ablation procedure under percutaneous transhepatic cholangiodrainage. A: Cholangiography showing obstruction of the lower bile duct; B: Placement of a radiofrequency ablation catheter in the stenotic segment and completion of ablation; C: Placement of a biliary stent in the stenotic segment.