Table 1.
Summary of patient and BM characteristics, histology, volumetric parameters and treatments.
| Patient characteristics | |
| Number of patients | 69 |
| Number of metastases | 96 |
| Age (years) | 60 (33–78) |
| Sex (Male (M), Female (F)) | 55.07% M (38), 44.93% F (31) |
| Primary cancer Histology | |
| Percentage (number of BMs) | |
| NSCLC | 59.42% (41) |
| Breast | 17.39% (12) |
| SCLC | 8.70% (6) |
| Melanoma | 5.80% (4) |
| Others | 8.70% (6) |
| Volumetric parameters at first follow-up | |
| Median (range) | |
| Total tumor volume (cm3) | 0.493 (0.003–24.853) |
| CE volume (cm3) | 0.495 (0.003–14.856) |
| Necrotic volume (cm3) | 0.002 (0.000–9.997) |
| Treatments | |
| Percentage (number of BMs) | |
| Untreated | 10.4% (10) |
| Chemotherapy (CT) | 16.7% (16) |
| Radiotherapy (RT) | 31.2% (30) |
| CT + RT | 41.7% (40) |
| Radiotherapy modalities (RT and CT+RT) | |
| Percentage (number of BMs) | |
| WBRT | 22.9% (16) |
| SRS | 62.9% (44) |
| WBRT + SRS | 14.2% (10) |