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Bile duct stones are typically removed using endoscopic retrograde cholangiopancreatography (ERCP), a minimally invasive procedure that combines x-ray and upper endoscopyâan exam of the upper gastrointestinal tract, consisting of the esophagus, stomach and duodenum (the first part of the small intestine)âusing an endoscope, which is a lighted, flexible tube, about the thickness of a finger.
Usually, the stones pass from the gallbladder into the bile ducts. They may remain there without blocking the flow of bile or causing symptoms, or they may pass on into the small intestine without being noticed. However, if the gallstones cause a blockage in a bile duct, a person will have pain.