Do liver metastases from gastric cancer contraindicate aggressive surgical resection? A 14-year single-center experience

Table 5 Important factors for liver resection in patients with liver metastases originated from gastric cancer

Ref.	Year	Sample size	The 5-yr OS rate	Important factors for recurrences and/or poor prognoses
Ambiru et al[18]	2001	40	0.180	Synchronous LMGC
Okano et al[17]	2002	19	0.340	Multiple LMGC; synchronous LMGC; pathological differentiation
Zacherl et al[12]	2002	15	0	Multiple LMGC; bilobular LMGC; curability of LR
Saiura et al[19]	2002	10	0.200	LN metastases
Shirab et al[8]	2003	36	0.260	Number of LMGC (number of ≥ 3); curability of LR; lymphatic invasion; vessel invasion
Sasako et al[20]	2007	37	0.110	Bilobular LMGC; the greatest dimension (size of > 4 cm)
Cheon et al[16]	2008	41	0.208	Multiple LMGC
Makino et al[14]	2010	16	0.370	Bilobular LMGC
Tsujimoto et al[10]	2010	17	0.315	Multiple LMGC; the greatest dimension (size of > 6 cm); lymphatic invasion
Schildberg et al[15]	2012	31	0.130	Multiple LMGC; synchronous LMGC
Takemura et al[9]	2012	64	0.370	The greatest dimension (size of > 5 cm); serosal invasion
Matsuda et al[13]	2013	14	0.360	Synchronous LMGC; bilobular LMGC; no chemotherapy
Kinoshita et al[5]	2015	256	0.313	The greatest dimension (size of > 5 cm); serosal invasion; curability of LR; number of LMGC (number of ≥ 3)
Tatsubayashi et al[6]	2017	28	0.320	Synchronous LMGC
Our study	2020	30	0.480	Serosal invasion (pathological T factor)

OS: Overall survival; LMGC: Liver metastases originated from gastric cancer; LN: Lymph node; LR: Liver resection.