Common Bile Duct Stone removal on ERCP A video demonstrating why gallstone pancreatitis should make one suspicious that a choledocolith has passed through the ampulla or is at the level of ampulla. Patient bilirubin 2.8 and rising and lipase 3000. Hassan Siddiki MD, MS @SiddikiGI #Biliary #Stone #removal #extraction #ERCP #gastroenterology #cbd #endoscopy