Prognostic Impact of Preoperative Imaging Parameters on Resectability of Hilar Cholangiocarcinoma

Table 2

Patients staged according to the Bismuth-Corlette classification and MSKCC staging system.

Stage	Patients	Resected (%)	Metastasis (%)	Yield of laparoscopy (%)	Median survival (months)
MSKCC staging system
T1	55	42 (71)	10 (17)	5/41 (12%)	21
T2	68	31 (45)	9 (13)	5/63 (8%)	19
T3	25	9 (36)	10 (40)	5/24 (21%)	23
𝑃 value		<0.01*	0.09*	0.43*	0.15**
Bismuth-Corlette classification
Type I and II	26	18 (69)	3 (12)	1/12 (8%)	19
Type III	79	50 (52)	16 (17)	9/92 (10%)	17
Type IV	25	9 (36)	10 (40)	5/24 (21%)	12
𝑃 value		0.02*	0.01*	0.17*	0.12**

Patients with benign disease and patients with unresectable disease at imaging were not included in this assessment. *𝑋² for trend; **logrank test.