Risk factors and classifications of hilar cholangiocarcinoma

Figure 3 Consensus classification from the European Hepato-Pancreato-Biliary Association. Involvement of the portal vein or hepatic artery is considered when the tumor encompasses more than 180º of the circumference. A: Biliary involvement (B), based on the Bismuth-Corlette classification; B: Portal involvement; C: Arterial involvement. Adapted from Deoliveira et al [24].