| Etiologies of pulmonary nodules | Percentage % |
| Pulmonary metastases o Digestive origin o Uterine origin o Pulmonary origin o Breast origin | 29% (12.5%) (8.5%) (4%) 4% |
| Tuberculoma: | (21%) |
| Primary pulmonary tumor o Adenocarcinoma o Squamous cell carcinoma | 12.5% (8.5%) (4%) |
| Benign lung tumors o Hamartochondrome o Hamartoma | 12.5% (8.5%) (4%) |
| Carcinoid tumors | (8.5%) |
| Hydatid cyst | (8.5%) |
| Aspergilloma | (4%) |
| Inflammatory pseudo-tumoral nodule | (4%) |