| Characteristic. | Effective (n = 60) | Percentage % | |
| Age (year) | Age average | 60 |
|
| 51 - 60 | 23 | 38.33 | |
| 61 - 70 | 20 | 33.33 | |
| Gender | Male | 48 | 80 |
| Female | 12 | 20 | |
| Risk factors | Treated tuberculosis | 3 | 5 |
| Tabacco | 51 | 85 | |
| No ACTD | 6 | 10 | |
| Occupation | Civil serviant | 24 | 40 |
| Housewife | 10 | 16.7 | |
| Clinic | Deterioration of general condition | 38 | 63.33 |
Cough | 15 | 25 | |
Hemoptysis | 35 | 58.33 | |
| Histology; bronchial carcinoma | No to small cell | 50 | 83.3 |
Small cell | 10 | 16.7 | |
| Type of biopsy sample | Bronchoscopy | 40 | 66.6 |
Pleural puncture | 10 | 16.7 | |
Percutaneous biopsy | 10 | 16.7 | |