Fig. 2From: The modified pancreatic stent system for prevention of post-ERCP pancreatitis: a case-control studyPhysical map of type three pancreatic stent: the white arrow indicates the pancreatic stent. The black arrow indicates the nasobiliary catheter. a An endoscopic image that shows the pancreatic stent placement in the pancreatic duct. b An X-ray image that shows the nasobiliary catheter in common bile duct and the PS linked together by the lineBack to article page