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Clinical imaging. A, White-light image shows insertion of cholangioscope via push catheter into the duodenal papilla. B, Fluoroscopy shows the presence of the cholangioscope (arrow) in the common bile duct. Fluorescence images are shown in the bile duct lumen (l) of a (C) cholangiocarcinoma (CCA), and (D) benign biliary stricture.
