Table 1. Clinicopathological characteristics of 50 colonic cancer patients.

Group	N
Gender
Male	26
Female	24
Age (year)
≤50	16
>50	34
Lymph node metastasis
No	38
Yes	12
Distant metastasis
No	48
Yes	2
Stage
I	8
II	30
III	10
IV	2
Location
Colon	50
Rectum	0

Clinicopathological characteristics of 50 colonic cancer patients whose paratumoral and tumor tissues were used for the tissue chip