Table 1. Characteristics of patients with metastatic colorectal cancer (N = 51).
| Clinicopathologic feature | Value | |
|---|---|---|
| Age, y | 62 (26–76) | |
| Sex | Male | 32 (62.74) |
| Female | 19 (37.25) | |
| Primary tumor site | Proximal colon | 10 (19.61) |
| Distal colon | 23 (45.09) | |
| Rectum | 18 (35.29) | |
| Metastasis site | Liver | 26 (50.98) |
| Lungs | 20 (39.21) | |
| Peritoneum | 14 (27.45) | |
| Lymph nodes/other organs | 22 (43.13) | |
| Treatment regimen at the time of liquid biopsy | None (before chemotherapy) | 27 (52.94) |
| FOLFOX | 11 (21.57) | |
| FOLFIRI | 6 (11.76) | |
| FOLFIRI + bevacizumab | 1 (1.96) | |
| Capecitabine | 6 (11.76) | |
| Time interval between tissue and liquid biopsies | ≤6 months | 26 (50.98) |
| >6 months | 25 (49.02) | |
Data are median (range) or number (percentage).