Table 2.

Summary of some studies indicating potential influence of liver resection on tumor margin-negative resections and 5-year survival data on hilar CC (1986-1999)

	Resection	Liver resection	Operativemortality	Margin- (%)	5-yr survival
					Margin-	Margin+
Kosuge et al 1999[55]	65	80	9	52	56	13
Burke et al 1998[56]	30	73	6	83	40	0
Miyazaka et al 1998[57]	76	86	13	71	26	0
Nagino et al 1998[58]	138	90	9	76	21	-
Klempnauer et al 1996[59]	151	78	10	76	31	5
Nimura et al 1986[60]	100	91	10	55	35	0