Imaging and interventions in hilar cholangiocarcinoma: A review

Figure 4 Post processing of computed tomography scan. A: Coronal reformat showing ill-defined enhancing mass (arrow) in relation to hilum and common hepatic duct; B: Coronal thick maximum intensity projection showing same mass as in A (short arrow) with irregularity of right posterior hepatic artery (long arrow); C: Minimum intensity projection showing the extent of biliary involvement by the mass (arrow).