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n. X-ray examination of the bile ducts following administration of a radiopaque contrast medium.

n. roentgenographic examination of the bile ducts after a contrast medium has been injected

"Simultaneous cholangiography from a percutaneous transhepatic biliary drainage tube in biliary duct of segment 8 and endoscopic nasobiliary drainage tube in biliary duct of segment 3 revealed drainage of the right lateral sectoral branch into the common hepatic duct and the aberrant drainage of segment 5 into the right lateral sectoral branch."

roentgenography    x-ray photography