| Malignant | | Bronchogenic carcinoma | | Adenocarcinoma | | Squamous cell carcinoma | | Large cell carcinoma | | Small cell carcinoma | | Metastatic lesions | | Breast | | Head and neck | | Melanoma | | Colon | | Kidney | | Sarcoma | | Germ cell tumor | | Others | | Pulmonary carcinoid | | Extranodal lymphoma | | Miscellaneous | | Plasmacytoma | | Schwannoma | | | Benign | | Infectious granuloma | | Histoplasmosis | | Coccidioidomycosis | | Tuberculosis | | Atypical mycobacteria | | Cryptococcosis | | Blastomycosis | | Other infections | | Bacterial abscess | | Dirofilaria immitis | | Echinococcus cyst | | Ascariasis | | Pneumocystis jirovecii | | Aspergillus | | Benign neoplasms | | Hamartoma | | Lipoma | | Fibroma | | Neurofibroma | | Leiomyoma | | Angioma | | Vascular | | Arteriovenous malformation | | Pulmonary varix | | Hematoma | | Pulmonary infarct | | Developmental | | Bronchogenic cyst | | Inflammatory | | Granulomatosis with polyangiitis (Wegener's) | | Rheumatoid nodule | | Sarcoidosis | | Other | | Amyloidoma | | Rounded atelectasis | | Intrapulmonary lymph nodes | | Pseudotumor (loculated fluid) | | Mucoid impaction | |
