Characteristics of study population (n=10)
| *Chest radiographic staging according to American Thoracic Society.29 | |
| Median (range) age (years) | 33.5 (26–49) |
| M:F | 8:2 |
| Never smokers | 7 |
| Ex-smoker | 1 |
| Sporadic smokers | 2 |
| Radiographic stage I* | 6 |
| Radiographic stage II* | 3 |
| Radiographic stage III* | 1 |
| Positive biopsy | 5 |
| Löfgren’s syndrome | 7 |