Table 1.

Operative procedures in 139 patients with curative intent surgery for perihilar cholangiocarcinomas.

Operative procedure	Number of patients (%)
Simple bile duct resection	24 patients (17.3%)
Right hemihepatectomy	37 patients (26.6%)
Right trisectionectomy	10 patients (7.2%)
Left hemihepatectomy	62 patients (44.6%)
Left trisectionectomy	1 patient (0.7%)
Central hepatectomy	1 patient (0.7%)
Caudate lobectomy	88 patients (63.3%)
Portal vein resection	22 patients (15.8%)
Hepatic artery resection	4 patients (2.9%)
Pancreaticoduodenectomy	1 patient (0.7%)