Table 2. Operative characteristics.
| Characteristic | Number of patients (n=476) | Percentage |
|---|---|---|
| Tumor histologic type | ||
| Squamous cell carcinoma | 230 | 48.3 |
| Adenocarcinoma | 201 | 42.2 |
| Adenosquamous carcinoma | 16 | 3.4 |
| Bronchoalveolar carcinoma | 15 | 3.2 |
| Large-cell carcinoma | 3 | 0.6 |
| Othersa | 11 | 2.3 |
| Pathologic stage | ||
| I | 210 | 44.1 |
| II | 127 | 26.7 |
| III | 125 | 26.3 |
| IV | 14 | 2.9 |
| Type of resection | ||
| Wedge/segment | 49 | 10.3 |
| Lobectomy | 300 | 63 |
| Bilobectomy | 39 | 8.2 |
| Extendedb | 53 | 11.1 |
| Pneumonectomy | 35 | 7.4 |
| Surgical side | ||
| Right | 290 | 60.9 |
| Left | 186 | 39.1 |
| Surgical approach | ||
| VATS | 66 | 13.9 |
| Thoracotomy | 410 | 86.1 |
| Duration of surgery, min | ||
| <180 | 349 | 73.3 |
| ≥180 | 127 | 26.7 |
a, Carcinoid, carcinosarcoma, neuroendocrine carcinoma; b, lobectomy plus wedge, chest wall, major vascular resection or bronchoplastic; VATS, video-assisted thoracic surgery.