Table 1.
Patients’ baseline demographics and characteristics
| No. of patients (%) | ||
|---|---|---|
| Sex | Male | 43 (68.3) |
| Female | 20 (31.7) | |
| Age (years), median (range) | 66 (33–87) | |
| Smoking History | Yes | 36 (57.1) |
| No | 27 (42.9) | |
| Underlying COPD | 3 (4.8) | |
| Tumor locationa | Right upper lobe | 15 (23.8) |
| Right middle lobe | 6 (9.5) | |
| Right lower lobe | 20 (31.7) | |
| Left upper lobe | 19 (30.2) | |
| Left lower lobe | 14 (22.2) | |
| Histologic features | Adenocarcinoma | 24 (38.1) |
| Squamous cell carcinoma | 16 (25.4) | |
| Small cell lung cancer | 12 (19.0) | |
| Non-small cell lung cancer, NOS | 9 (14.3) | |
| Bronchoalveolar carcinoma | 1 (1.6) | |
| Large cell carcinoma | 1 (1.6) | |
| Aim of radiotherapy | Definitive | 26 (41.3) |
| Postoperative | 1 (1.6) | |
| Salvage | 19 (30.1) | |
| Palliative | 17 (27.0) | |
| Concurrent chemoradiotherapy | Yes | 21 (33.3) |
| No | 42 (66.7) | |
| PTV (cc), median (range) | 144 (16–799) | |
| Total lung V10 (%), median (range) | 39 (5–93) | |
| Total lung V20 (%), median (range) | 16 (4–49) | |
| Mode of tomotherapy | Static | 12 (19.0) |
| Helical | 51 (81.0) | |
COPD chronic obstructive lung disease, PTV planning target volume, a; 11 patients have multi-lobar lesions