Table 1. Studies Including Patients with Surgical Resection for Gastric Cancer Liver Metastasis.

OS – overall survival, * – results of multivariable analysis, GC – gastric cancer

Study	Country	Time Interval	Number of Patients/Metachronuos Metastasis	5-year OS	Predictive Factors for Poorer OS
Okano et al., 2002 [33]	Japan	1986-1999	19/6	34%	More than one nodule, Synchronous disease
Koga et al., 2007 [27]	Japan	1985-2005	42/22	42%	*Serosal invasion of primary GC, *More than one nodule
Takemura et al., 2012 [25]	Japan	1993- 2011	73 (R0/R1 – 64)/32	37%	*Serosal invasion of primary GC, *Hepatic tumor > 5 cm
Garancini et al., 2012 [34]	Italy	1998-2007	21/9	19%	More than one nodule, Positive margin, Lack of peritumoral fibrous capsule
Aoyagi et al., 2013 [28]	Japan	1984- 2010	17/5	17.60%
Qiu et al., 2013 [35]	China	1998- 2009	25/0	29.40%	*More than one nodule
Kinoshita et al., 2015 [26]	Japan	1990- 2010	256/150	31.10%	*Serosal invasion of primary GC, *³3 liver metastases, *Hepatic tumor > 5 cm