Table 1. Characteristics of patients and disease.
| Characteristics | No. |
|---|---|
| Age, years | |
| Median | 67 |
| Range | 45-81 |
| Gender | |
| Male | 27 |
| Female | 20 |
| Performance Status | |
| 0 | 31 |
| 1 | 12 |
| 2 | 4 |
| Site of primary tumor | |
| Rectum | 5 |
| Sigma | 8 |
| Left colon | 15 |
| Trasversum | 6 |
| Right colon | 10 |
| Cecum | 3 |
| Site of metastases | |
| Only lung | 21 |
| Only liver | 7 |
| Lung and liver | 9 |
| Lung and abdominal lymphnodes | 7 |
| Liver and abdominal lymphnodes | 3 |
| KRAS mutational status | |
| Wilde-type | 29 |
| Mutated | 18 |
| No. of systemic treatments before first-line SRT | |
| 0 | 29 |
| 1 | 18 |
| No. of SRT lines | |
| 1 | 12 |
| 2 | 20 |
| 3 | 13 |
| ≥4 | 2 |