Table 1.
Patient and tumour characteristics
| Patient and tumour characteristics | Number of patients (%) or median value (min-max) |
|---|---|
| Age at SBRT (years) | 69 (19–90) |
| Gender | |
| Female | 28 (37.8%) |
| Male | 46 (62.2%) |
| ECOG performance status | |
| 0/1/2/3/NA | 20 (27%) / 31 (41.9%) / 7 (9.5%) / 1 (1.4%) / 15 (20.3%) |
| Previous lung surgery | 20 (27%) |
| One lung only | 2 (2.7%) |
| Other thoracic radiation with <2 Gy overlap | |
| Previous | 9 (12.2%) |
| Concurrent | 6 (8.1%) |
| Type of primary cancer | |
| NSCLC | 37 (50%) |
| ADK/SCC/other histology | 21 (28.4%) / 14 (18.9%) / 2 (2.7%) |
| No histology | 18 (24.3%) |
| Sarcoma | 7 (9.5%) |
| Colorectal cancer | 4 (5.4%) |
| Kidney cancer | 3 (4.1%) |
| Thyroid cancer | 2 (2.7%) |
| Breast cancer | 1 (1.4%) |
| Prostate cancer | 1 (1.4%) |
| Pleural mesothelioma | 1 (1.4%) |
| Stage at time of treatment | |
| Localised disease | 39 (52.7%) |
| Metastatic disease | 30 (40.5%) |
| Localised relapse | 5 (6.8%) |
| Location of irradiated tumour | |
| Parenchymal tumour | 67 (90.5%) |
| Lymph node | 6 (8.1%) |
| Pleural tumour | 1 (1.4%) |
ADK: adenocarcinoma; ECOG: eastern cooperative oncology group; NA: not applicable; NSCLC: non-small cell lung cancer;SBRT: stereotactic body radiotherapy; SCC: squamous cell carcinoma.