Table 1.
Patient and tumor characteristics
| Patients (n = 66) | |
|---|---|
| Age in years, median (range) | 71 (27–87) |
| Sex (male/female) | 44/22 |
| Performance status (0/1/2) | 48/17/1 |
| Primary cancer, n | |
| Lungs | 31 |
| Colorectal | 13 |
| Head and neck | 10 |
| Others | 12 |
| Primary treatment, n | |
| Surgery | 52 |
| Definitive radiotherapy | 14 |
| DFI in months | |
| ≤30 | 31 |
| >30 | 35 |
| Number of targets (1/2) | 56/10 |
| Tumors (n = 76) | |
| Tumor size in cm | |
| ≤3 | 70 |
| >3 | 6 |
| Histologic type of oligo-recurrence | |
| Adenocarcinoma | 24 |
| SCC | 9 |
| Unknown | 43 |
| BED10 in Gy | |
| <100 | 18 |
| ≥100 | 58 |
BED = biologically effective dose, SCC = squamous cell carcinoma.