Pancreatic, periampullary and biliary cancer with liver metastases: Should we consider resection in selected cases?

Table 4 Results by outcome for biliary tract cancer

	N	Median OS (mo)	95%CI	N	Median OS (mo)	95%CI
	Resection			No resection or palliative surgery
Positive studies
Fujii et al[46]	7	20		NA
Kurosaki et al[47]	13	28-60		9	6-12
Niguma et al[50]	10	17.2		12	4.4
de Jong et al[48]	8	17-19		7	7	< 0.01
Adam et al[13]	15	38		NA
Negative studies
Gleisner et al[37]	5	9.9			6	0.43
Wakai et al[45]	3	9		NA
Bresadola et al[49]	7	15		NA

NA: Not available.