Table 1. The clinicopathological characteristics of 48 colorectal cancer patients with liver metastases.
| Characteristics | No. | Percent |
|---|---|---|
| Gender | ||
| Male | 29 | 60.4 |
| Female | 19 | 39.6 |
| Age, years | ||
| Median (SD) | 52 (28–74) | |
| < 60 | 34 | 70.8 |
| ≥ 60 | 14 | 29.2 |
| Primary tumor site | ||
| Rectum | 17 | 35.4 |
| Colon | 31 | 64.6 |
| pT | ||
| 2+3 | 9 | 18.7 |
| 4 | 39 | 81.3 |
| pN | ||
| 0 | 12 | 25.0 |
| 1 | 21 | 43.8 |
| 2 | 15 | 31.2 |
| Vascular invasion | ||
| Negative | 27 | 62.8 |
| Positive | 16 | 37.2 |
| NK | 5 | |
| Perineural invasion | ||
| Negative | 27 | 62.8 |
| Positive | 16 | 37.2 |
| NK | 5 | |
| Differentiation | ||
| Poor/poor-moderate | 12 | 25.0 |
| moderate/moderate-high | 36 | 75.0 |
| Time of occurrence of liver metastasis | ||
| Synchronous | 43 | 89.6 |
| Metachronous | 5 | 10.4 |
| Combined with other metastases | ||
| No | 41 | 85.4 |
| Yes | 7 | 14.6 |
Abbreviations: NK, not known; NR, not reached; SD, standard deviation.