Summary of the clinicopathological characteristics of the lung cancer patients.
| Characteristic | Cases |
|---|---|
| Age (years ± SD) | 59.6 ± 9.1 (range, 42~73) |
| Sex | |
| Male | 42 |
| Female | 26 |
| Type of carcinoma | |
| Squamous cell carcinomas | 26 |
| Adenocarcinomas | 42 |
| Histological differentiation | |
| Well | 18 |
| Moderately | 34 |
| Poorly | 16 |
| Lymph node metastasis | |
| Present | 38 |
| Absent | 30 |