| Type of lesion | Count | Percentage |
| Bronchogenic cyst | 1 | 4.5 |
| Bronchogenic carcinoma lymphadenopathy | 7 | 31.8 |
| Granulocytic sarcoma | 1 | 4.5 |
| Lymphoma | 7 | 31.8 |
| Metastases | 3 | 13.6 |
| Sarcoidosis | 3 | 13.6 |