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Table 1 Clinicopathologic features of 334 CRC patients
| Characteristic | Examined no. (%) |
|---|---|
| Age (years) | |
| Mean ± SD | 64.04 ± 11.57 |
| Range | 20–95 |
| Tumor size (cm) | |
| Mean ± SD | 5.32 ± 2.21 |
| Range | 1.0–13.0 |
| Sex | |
| Male | 185 (55.4) |
| Female | 149 (44.6) |
| Location | |
| Right | 93 (27.8) |
| Left | 127 (38.0) |
| Rectum | 114 (34.1) |
| Histologic grade | |
| Low grade | 303 (90.7) |
| High grade | 31 (9.3) |
| Tumor border | |
| Expanding | 49 (14.7%) |
| Infiltrative | 285 (85.3%) |
| Lymphatic invasion | |
| Absent | 143 (42.8%) |
| Present | 191 (57.2%) |
| Venous invasion | |
| Absent | 272 (81.4%) |
| Present | 62 (18.6%) |
| Neural invasion | |
| Absent | 231 (69.2%) |
| Present | 103 (30.8%) |
| pTNM stage | |
| I–III | 273 (81.7) |
| IV | 61 (18.3) |
| MSI status (n = 323) | |
| MSS/MSI-L | 296 (91.6) |
| MSI-H | 27 (8.4) |
