Table 1. Characteristic features of the gastric tumors based on histopathology.

Parameter	N
TNM stage
Ia	2
IIa	1
IIb	4
IIIa	2
IIIb	4
IIIc	10
Differentiation
well	2
moderate	5
poor	16
T staging
1a	2
3	5
4a	15
4b	1
N staging
0	5
1	4
2	2
3a	8
3b	4