Table 1.

Studies included in the current meta-analysis

Study	Patients, n	Vascular resection, n	Morbidity, %	Mortality, %	5-year survival, %	R0, %	R1, %	R0 rate with vascular resection, %
Muñoz et al. 20027	28	10	25	3	23	–	–	–
Igami et al. 201022	298	111	43	2	42	52	32	66
Song et al. 200925	259	51	54	9.6	29.3	29.3	17	71.8
Young et al. 201023	51	21	75	8	20	40	2	57
Kondo et al. 200421	42	14	48	0	–	–	–	95
Miyazaki et al. 201018	107	25	–	2	–	33	21	59
Neuhaus et al. 200331	133	–	–	–	–	38	18	–
Lee et al. 200024	111	29	22	6.3	24			77
Nimura et al. 200034	142	43	48.6	9	25	26	16	61
Nagino et al. 201019	261	50	54	2	30	40.7	0	54
Ebata et al. 20038	160	52	84	9.6	37	–	–	–
Hemming et al. 201120	95	42	36	5	43	50	0	84
Hemming et al. 20059	53	23	40	9	35	45	0	80
Baton et al. 200730	59	5	42	5	20	28	6	67
Nagino et al. 200145	105	33	81	9.5	–	–	–	–
Magriaga 199828	28	9	32	14	8	11	0	50
Hidalgo 200814	44	17	66	6.8	41	45	26	45
Shimada et al. 200326	39	15	71	6.7	56	50	10	50
Neuhaus et al. 19996	66	23	56	3	22	42	9	61
Edmond 198943	13	5	69	15	–	–	–	46
Lygidakis 198844	13	7	–	15	–	–	–	46
Klempnauer et al. 199729	125	41	29.8	9.9	28	26	6.8	73
Miyazaki et al. 200727	161	43	39	7		36	0	36