Table 1.

Basic information of the patients

	Case number
Operation method
Total gastrectomy	99
Distal resection	59
Proximal resection	17
Partial resection	5
Staging
IA/IB	50
IIA/IIB	36
IIIA/IIIB/IIIC	94
Differentiation
Differentiated type	75
Undifferentiated type	105