Aetiology of cavitary lung disease
| Neoplastic |
| Bronchogenic carcinomas |
| Metastatic carcinomas |
| Lymphoma |
| Infectious |
| Bacterial |
| Staphylococcus aureus pneumonia |
| Streptococcus pneumonaie pneumonia |
| Mycobacterial disease |
| Melliodosis |
| Actinomycosis |
| Pneumocystis carinii pneumonia |
| Norcardiosis |
| Fungi |
| Histoplasmosis |
| Coccidioidomycosis |
| Blastomycosis |
| Mucormycosis |
| Aspergilliosis |
| Cryptococcosis |
| Parasites |
| Hydatid disease |
| Echinococcus granulosus |
| Echinococcus multilocularis |
| Paragonimiasis |
| Amoebiasis |
| Immunological/autoimmune |
| Wegener’s granulomatosis |
| Rheumatoid arthritis |
| Thromboembolic/septic embolism |
| Pneumoconiosis |
| Silicosis |
| Bronchiectasis |
| Congenital |
| Sequestration |
| Congenital adenomatoid malformation |