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| Characteristics | Outcome |
|---|---|
| Age (years), median (range) | 60 (44–85) |
| Gender, n | |
| Female | 20 |
| Male | 52 |
| Smoking, n | |
| Yes | 46 |
| No | 26 |
| KPS, median (range) | 85 (70–100) |
| Pathological subtype, n | |
| Adenocarcinoma | 37 |
| Squamous carcinoma | 35 |
| Clinical stage, n | |
| I | 7 |
| II | 7 |
| III | 45 |
| IV | 13 |
| Greatest dimension, n | |
| ≤3 cm | 28 |
| 3–5 cm | 26 |
| 5–7 cm | 13 |
| >7 cm | 5 |
