The indications of ERCP are: - biliary system disease - obstructive jaundice - pancreatic ductal system disease - idiopathic pancreatitis - nasobiliary drainage - suspicion of pancreatic malignancy - dilatation of duodenal papilla - sphincterectomy - choledochocele - choledochoduodenostomy - ampullary carcinoma - pancreatic pseudocyst drainage - biliary stenting Reference: https://www.ncbi.nlm.nih.gov/books/NBK493160/ Image via: https://www.researchgate.net/figure/Pancreatogram-at-ERCP-showing-dilated-main-pancreatic-duct-with-leak-of-contrast-from_fig2_272898114