Patient Characteristics
| Characteristic | Value |
|---|---|
| Total patients (n) | 155 |
| M/F (n) | 115/40 |
| Mean age (y) | 69 ± 9 |
| Age range (y) | 45–89 |
| Histopathologic type (n) | |
| Adenocarcinoma | 83 |
| Squamous cell carcinoma | 54 |
| Small cell carcinoma | 13 |
| Large cell carcinoma | 3 |
| Atypical carcinoid | 1 |
| Unclassified | 1 |
| Stage (n) | |
| IA | 30 |
| IB | 15 |
| IIA | 2 |
| IIB | 4 |
| IIIA | 27 |
| IIIB | 10 |
| IV | 67 |