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Endoscopic retrograde cholangiopancreatography (ERCP)

Endoscopic retrograde cholangiopancreatography (ERCP) combines combines X-ray imaging and the use of an endoscope (a long, flexible, lighted tube) to diagnose and treat problems in the liver, gallbladder, bile ducts and pancreas.

The endoscope is carefully guided through the mouth and esophagus, into the stomach and duodenum. The physician can examine the inside of these organs and detect any abnormalities. Dye injected through a tube in the scope highlights the internal organs and makes them more clearly visible on an X-ray.