ERCP is a procedure that allows your doctor to see the small tubes inside your body called the pancreatic and bile ducts. These tubes are near your stomach. They carry digestive juices from your liver and pancreas to the intestines.
Doctors do ERCP to find and treat problems in the pancreatic duct and bile duct. For example, you might have ERCP if your doctor suspects a disease of the pancreas or liver or a problem in the bile ducts. You might also have ERCP to find the cause of abnormal results from a blood test, ultrasound, or CT scan or to fix a problem that was identified on one of these tests. Finally, ERCP can help your doctor decide if you need surgery and if so, which surgery is best.
The most common reasons for ERCP include: