Endoscopic retrograde cholangiopancreatography (ERCP) is a technique that combines endoscopy and fluoroscopy to diagnose and treat problems of the biliary and pancreatic ductal systems. ERCP was originally used for diagnostic purposes but is now commonly used therapeutically. It allows visualization of the bile and pancreatic ducts and can be used to perform sphincterotomies, remove stones, place stents, and dilate strictures. ERCP has advantages over surgery as it is less invasive but also has risks of pancreatitis, bleeding, perforation and infection. Contraindications include acute pancreatitis, previous pancreatoduodenectomy, coagulation disorders if sphincterotomy planned, or