Table 1.
Clinicopathological characteristics of the patients
| Characteristic | Number (%) (n = 96) |
|---|---|
| Median age (years) | 66.50 |
| Male | 92 (95.8) |
| Smokers | 72 (75.0) |
| Surgical procedure | |
| Lobectomy | 79 (82.3) |
| Bilobectomy or sleeve lobectomy | 14 (14.6) |
| Pneumonectomy | 3 (3.1) |
| Histologic differentiation | |
| Well‐differentiated | 15 (15.6) |
| Moderately‐differentiated | 58 (60.4) |
| Poorly‐differentiated | 23 (24.0) |
| Tumor stage | |
| T1 | 27 (28.1) |
| T2 | 45 (46.9) |
| T3 | 17 (17.7) |
| T4 | 7 (7.3) |
| Lymph node metastasis | |
| N0 | 58 (60.4) |
| N1 | 35 (36.5) |
| N2 | 3 (3.1) |
| Distant metastasis | |
| M0 | 95 (99.0) |
| M1a | 1 (1.0) |
| Tumor‐node‐metastasis stage | |
| I | 36 (37.5) |
| II | 45 (46.9) |
| III | 14 (14.6) |
| IV | 1 (1.0) |
| Median survival (months) | 38.50 |