Fig. 2From: Wire-guided cannulation over a pancreatic stent versus double guidewire technique in patients with difficult biliary cannulationDouble guidewire technique for biliary cannulation. a Bile duct cannulation was aimed upward to the 10–11 o’clock position in relation to the pancreatic wire. b, c Successful biliary cannulation with a second guidewire was achieved after the previous insertion of the first guidewire into the pancreatic ductBack to article page