Fig. 3From: Utility and safety of a new uneven double-lumen sphincterotome in cases of difficult biliary cannulationFlowchart showing the treatment course of the patients enrolled in this study. ERCP: endoscopic retrograde cholangiopancreatography, PGW: pancreatic duct guidewire, precut: precut sphincterotomy, EUS-BD: endoscopic ultrasound biliary drainageBack to article page