Fig. 7.

Cholangiocarcinoma in the mid common duct, without clonorchiasis, in a 65-year-old woman. A. MR cholangiography shows an intraluminal tumor (arrows) at the level of the mid common duct. B. Contrast-enhanced CT shows minimal dilatation of the central intrahepatic duct (arrows), but the peripheral intrahepatic ducts are not dilated. C. CT at a level lower than (B) shows the enhancing, segmental thickened wall (arrows) of the mid common duct, which represents an extrahepatic cholangiocarcinoma.