Patient Characteristics
| Characteristic | Value |
|---|---|
| Patients (n) | 93 |
| Men/women (n) | 76/17 |
| Mean age (±SD) (y) | 66.1 ± 10.9 |
| Age range (y) | 30–87 |
| Histopathologic type (n) | |
| Malignant | |
| Adenocarcinoma | 39 |
| Squamous cell carcinoma | 28 |
| Unclassified non–small cell lung cancer | 3 |
| Adenosquamous cell carcinoma | 1 |
| Small cell carcinoma | 4 |
| Malignant lymphoma | 3 |
| Melanoma (mediastinal lymph node involvement) | 1 |
| Benign | |
| Sarcoidosis | 11 |
| Interstitial pneumonitis | 2 |
| Pneumoconiosis | 1 |
| Staging in the 75 cases of lung cancer (n) | |
| IA | 11 |
| IB | 3 |
| IIA | 1 |
| IIB | 3 |
| IIIA | 23 |
| IIIB | 9 |
| IV | 25 |