Table 1.
Patient and Tumor Characteristics
| Characteristic | No. of Patients |
|---|---|
| Patients treated | 125 |
| Primary | 91 |
| Recurrent | 12 |
| Metastatic | 22 |
| Central definition | |
| Within 2cm of the PBT (“No-fly zone”) | 81 |
| PTV intersecting mediastinal structure | 44 |
| Heart/ pericardium | 12 |
| Aorta or great vessels | 22 |
| Vertebral Body | 7 |
| Trachea | 1 |
| Esophagus | 2 |
| Age at diagnosis, years | |
| Median (range) | 76 (32-95) |
| Sex | |
| Male | 62 |
| Female | 63 |
| Smoking History | |
| Never | 20 |
| Former | 94 |
| Current | 11 |
| Median Smoking Pack years | 45 |
| Baseline KPS | |
| ≥80 | 92 |
| <80 | 31 |
| Not available | 2 |
| COPD at diagnosis | |
| Yes | 55 |
| No | 70 |
| Histology | |
| Adenocarcinoma | 86 |
| Squamous Cell | 30 |
| Other | 9 |
| Stage | |
| IA (T1N0) | 61 |
| IB (T2aN0) | 26 |
| IIA (T2bN0) | 2 |
| IIB (T3N0) | 1 |
| III (T4N0) | 1 |
| IV (M1) | 22 |
| Recurrent | 12 |
Abbreviations: KPS, Karnofsky Perfomance Status; PTV, planning treatment volume; PBT, proximal bronchial tree