Potentially predictive microRNAs of gastric cancer with metastasis to lymph node

Table 1 Clinical-pathological features of 30 biopsies

Clinicopathological variables	n
Gender
Male	16
Female	14
Age
< 60 yr	14
≥ 60 yr	16
Tumor location
Upper third	7
Middle third	16
Lower third	7
Tumor size
< 5 cm	12
≥ 5 cm	18
Histological type
Well and moderately differentiated	11
Poorly differentiated	19
1Depth of invasion
T1	4
T2	8
T3	18
Lymph node involvement
N0	15
N1	8
N2	7
1Tumor node metastasis stage
Stage I	7
Stage II	8
Stage III	11
Stage IV	4

¹According to the tumor node metastasis staging of Union for International Cancer Control.