Chemotherapy and resection for gastric cancer with synchronous liver metastases

Table 1 Clinicopathological characteristics of patients with and without hepatectomy

Clinicopathological characteristics	With hepatectomy	Without hepatectomy
Sex
Male	12	59
Female	8	35
Primary gastric tumors
Median diameter of primary gastric tumors (cm)	4.3 (2.4-8.8)	4.5 (2.1-9.3)
Tumor location
Upper	7	27
Lower	13	67
Pathological T-stage of the primary1
pT1	2	9
pT2	4	21
pT3	12	51
pT4	2	13
N stage of the primary tumor
N0	3	18
N1	9	48
N2	5	21
N3	3	7
Differentiation of the primary tumor
Well	2	9
Moderate	14	64
Poor	4	21
Liver metastases
Median diameter of liver metastases (cm)	4.1 (1.7-16)	4.5 (1.5-18)
No. of metastases
Solitary	8	43
≥ 2	12	51
Vascular invasion of metastases
Present	3	26
Absent	17	68
Site of metastases
Left lobe	4	18
Right lobe	7	31
Bilobar	9	45
Interruption of hepatic hilum
Present	5	28
Absent	15	66

¹According to tumor-nodes-metastasis-classification.