Table 1. Clinicopathological data of 74 patients.

Parameters	Results
Age (year, mean, range)	52(23–72)
Tumor size (cm) (mean±SD)	2.7±1.2
Sex (number of patients)
Male	42
Female	32
Tumor location
Upper	8
Middle	11
Lower	55
Histological grade
Well	9
Moderate	30
Poor	35
Depth of invasion
T1	40
T2	10
T3	20
T4	4
Lymph node metastasis
N0	45
N1	18
N2	6
N3	5

Upper: upper third of the stomach; Middle: middle third of the stomach; Lower: lower third of the stomach. T1: invasion to lamina propria, muscularis mucosae, or submucosa; T2: invasion to muscularis propria; T3: invasion to subserosal connective tissue without invasion of visceral peritoneum or adjacent structures; T4: invasion to serosa (visceral peritoneum) or adjacent structures. N0: no regional lymph node metastasis; N1: metastasis in 1 to 2 regional lymph nodes; N2: metastasis in 3 to 6 regional lymph nodes; N3: metastasis in 7 or more regional lymph nodes. T and N categories were based upon the 7th Edition of the AJCC Cancer Staging Manual.