Table 1.
Clinicopathologic characteristics of 142 metastatic tumors.
| Variable | Category | Total | |
|---|---|---|---|
| (n = 142) | |||
| Age | |||
| Mean ± SD | 60.51 ± 11.17 | ||
| Median | 61 | ||
| Range (min–max) | 34–89 | ||
| Gender | |||
| Male | 95 | 66.90% | |
| Female | 47 | 33.10% | |
| Site of metastasis | |||
| Liver | 77 | 54.23% | |
| Lung | 35 | 24.65% | |
| Abdominopelvic cavity | 18 | 12.68% | |
| Soft tissue | 6 | 4.23% | |
| Brain | 2 | 1.41% | |
| Lymph node | 2 | 1.41% | |
| Bone | 1 | 0.70% | |
| Skin | 1 | 0.70% | |
| Location of primary cancer | |||
| Ascending colon | 16 | 11.30% | |
| Hepatic flexure | 6 | 4.20% | |
| Transverse colon | 5 | 3.50% | |
| Splenic flexure | 2 | 1.40% | |
| Descending colon | 6 | 4.20% | |
| Rectosigmoid | 107 | 75.40% | |
| Patterns of metastasis | |||
| Synchronous | 78 | 54.90% | |
| Metachronous | 64 | 45.10% | |
| T stage | |||
| 1 | 3 | 2.11% | |
| 2 | 7 | 4.93% | |
| 3 | 101 | 71.13% | |
| 4 | 26 | 18.31% | |
| NA | 5 | 3.52% | |
| N stage | |||
| 0 | 39 | 27.46% | |
| 1 | 48 | 33.80% | |
| 2 | 48 | 33.80% | |
| NA | 7 | 4.93% | |
| Grade | |||
| 1 | 2 | 1.41% | |
| 2 | 132 | 92.96% | |
| 3 | 4 | 2.82% | |
| NA | 4 | 2.82% | |
| Vascular invasion | |||
| Absent | 117 | 82.39% | |
| Present | 20 | 14.08% | |
| NA | 5 | 3.52% | |
| Lymphatic invasion | |||
| Absent | 72 | 50.70% | |
| Present | 65 | 45.77% | |
| NA | 5 | 3.52% | |
| Perineural invasion | |||
| Absent | 97 | 68.31% | |
| Present | 40 | 28.17% | |
| NA | 5 | 3.52% | |
| MSI status | |||
| MSI-H | 7 | 4.93% | |
| MSS | 107 | 75.35% | |
| NA | 21 | 14.79% |