Table 1.
Summary of clinicopathologic features of patients with colorectal cancer.
| Variable | N (%) |
|---|---|
| Mean age (Range)-year | 64.7 (38–85) |
| Sex | |
| Male | 40 (61.5) |
| Female | 25 (38.5) |
| Tumor size | |
| < 5 cm | 44 (67.7) |
| ≥ 5 cm | 21 (32.3) |
| Histologic grade | |
| WD | 8 (12.3) |
| MD | 49 (75.4) |
| PD | 8 (12.3) |
| Lymphatic invasion | |
| Absent | 43 (66.2) |
| Present | 22 (33.8) |
| Venous invasion | |
| Absent | 49 (75.4) |
| Present | 16 (24.6) |
| Perineural invasion | |
| Absent | 39 (60) |
| Present | 26 (40) |
| TNM staging | |
| I | 17 (26.2) |
| II | 16 (24.6) |
| III | 16 (24.6) |
| IV | 16 (24.6) |
| Location | |
| Right | 14 (21.5) |
| Left/rectum | 51 (78.5) |
| KRAS | |
| Wild | 32 (49.2) |
| Mutant | 33 (50.8) |
WD well differentiated, MD moderately differentiated, PD poorly differentiated.