Patient Characteristics
| Characteristic | No. of patients (n = 18) | Percentage or median |
| Sex | ||
| Male | 10 | 55.6 |
| Female | 8 | 44.4 |
| Performance status | ||
| 0–1 | 18 | 100 |
| Primary tumor | ||
| Colon | 13 | 72.2 |
| Rectum | 5 | 27.8 |
| Prior neoadjuvant treatment | ||
| No prior treatment | 7 | 38.9 |
| Prior radiotherapy | 3 | 16.7 |
| Prior chemotherapy | 8 | 44.4 |
| Sites of metastasis | ||
| Liver | 9 | 50.0 |
| Lung | 8 | 44.4 |
| Lymph node, abdomen | 9 | 50.0 |
| Peritoneum/omentum | 4 | 22.2 |
| Bone | 1 | 5.6 |
| Ovary | 1 | 5.6 |
| No. of involved organs | ||
| 1 | 8 | 44.4 |
| 2 | 8 | 44.4 |
| ≥3 | 2 | 11.2 |
| Pretreatment carcinoembryonic antigen (ng/mL) | 9.2 (range, 1.3–1010) |
Median age was 64.5 y, and age range was 36–77 y.