Table. R0 resection rate and 5-year survival rate after surgical resection of perihilar cholangiocarcinoma (pCCA = Klatskin tumor).

	Hilar resection alone		Additional liver resection
	n (R0)	5-year _survival	n (R0)	5-year _survival
Miyazaki et al. 1998_ (e6)	11 (45%)	0%	15 (–)	10%
Lillemoe et al. 2000_ (e7)	94 (–)	11%	53 (–)	24%
Tabata et al. 2000_ (e8)	22 (–)	20%	53 (–)	10%
Gazzaniga et al. 2000_ (e9)	20 (–)	0%	17 (–)	25%
Lee et al. 2000 _ (e10)	17 (24%)	0%	111 (77%)	24%
Nimura et al. 2000_ (e11)	14 (57%)	16%	128 (78%)	26%
Lee et al. 2010_ (e12)	9 (26%)	17%	205 (77%)	36%
de Jong et al. 2012_ (e13)	48 (54%)	14%	149 (66%)	25%
Song et al. 2013_ (e14)	– (68%)	0%	– (76%)	33%