Table 1: The stage of gastric cancer.

Group tested

Tumor stage (TNM classification)I + II ( = 13)26%
III ( = 18)36%
IV ( = 19)38%

Depth of tumor invasionT1 ( = 4)11%
T2 ( = 7)19%
T3 ( = 15)40%
T4 ( = 11)30%

Lymph node metastasesN0 ( = 7)17%
N1 ( = 4)9%
N2 ( = 13)31%
N3 ( = 18)43%

Distant metastasesM0 ( = 9)47%
M1 ( = 10)53%