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Table 2 Type of operation performed in 100 patients with hilar cholangiocarcinoma

From: Evaluation of the POSSUM, P-POSSUM and E-PASS scores in the surgical treatment of hilar cholangiocarcinoma

Bismuth classification       Operative severity
  I II IIIA IIIB IV  
Exploration (without curative intend) 1 1 0 1 4 Minor
Bypass operation (unresectable) 13 6 5 3 4 Moderate
Bile duct resection 13 6 6 2 12 Major
Perihilar hepatectomy 0 0 1 0 0 Major
Right hemihepatectomy 0 0 7 0 3 Major
Left hemihepatectomy 0 0 0 5 3 Major
Extended right hemihepatectomy* 0 0 2 0 0 Major+
Extended left hemihepatectomy* 0 0 0 1 1 Major+
  1. *Combined with resection of segment 1.