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| Characteristics | n |
| Gender | |
| Male | 19 |
| Female | 23 |
| Age (years) | |
| ≤65 | 21 |
| >65 | 21 |
| Location | |
| Colon | 16 |
| Rectum | 26 |
| Tumor size (cm) | |
| <5 | 23 |
| ≥5 | 19 |
| Histologic differentiation | |
| Well, Moderately | 32 |
| Poorly | 10 |
| Dukes stage | |
| A/B | 15 |
| C/D | 27 |
| Lymph node metastasis | |
| Negative | 17 |
| Positive | 25 |
The number of samples in each group is shown.
n: number of samples.
