Fig. 1From: Comparison of the efficacy and safety between palliative biliary stent placement and duct clearance among elderly patients with choledocholithiasis: a propensity score-matched analysis Flowchart of patient selection. Flowchart of patient selection into matched palliative EBS and complete stone removal groups (ERCP, endoscopic retrograde cholangiopancreatography; EBS, endoscopic biliary stenting)Back to article page