Table 5 The association of the clinicopathological characteristics of 51 early colorectal cancers with lymph node metastasis
Factors | Lymph node metastasis | P value |
|---|---|---|
Age | ||
≤ 60 years | 3/22 (13.6%) | 0.638 |
> 60 years | 2/29(6.9%) | |
Sex | ||
Male | 3/31(9.7%) | 1.000 |
Female | 2/20(10.0%) | |
Tumor size | ||
< 40 mm | 5/42(11.9%) | 0.571 |
≥ 40 mm | 0/9(0.0%) | |
Tumor location | ||
Rectum | 4/30(13.3%) | 0.391 |
Colon | 1/21(4.8%) | |
Growth type | ||
Polypoid | 4/31(12.9%) | 1.000 |
LST | 1/20(5.0%) | |
Resection Method | ||
ESD | 5/41(12.2%) | 0.569 |
Hybrid ESD | 0/10(0.0%) | |
Resection status | ||
En bloc | 5/46(10.9%) | 1.000 |
Piecemeal | 0/5(0.0%) | |
Histological complete resection | ||
Complete | 4/34(11.8%) | 0.654 |
Incomplete | 1/17(5.9%) | |
Histology | ||
T1 cancer (<1000 μm) | 1/15(6.7%) | 1.000 |
T1 cancer (≥1000 μm) | 4/36(11.1%) | |
Differentiation | ||
Well and moderate | 1/49(2.0%) | 0.078 |
Poor | 1/2(50%) | |
Lymphovascular infiltration | ||
Absence | 2/46(4.3%) | 0.005 |
Presence | 3/5(60.0%) | |