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new surgical connection between the stomach and the first part of the small intestine
contrast material is injected through an endoscope and xrays are taken of the pancreas and bile ducts
endoscopic retrograde cholangiopancreatography
xray images of the esophagus, stomach and small intestines after administering barium by mouth
upper gastrointestinal series
contrast material is injected through the liver and xrays are taken of bile vessels
percutaneous transhepatic cholangiography
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