What are the differential diagnoses for a solitary pulmonary mass larger than 4 cm in diameter ?(list 12)

1. Bronchial carcinoma
2. Metastasis
3. Lung abscess
4. Lymphoma
5. Round pneumonia
6. Round atelectasis
7. Sequestration
8. Blastomycosis or actinomycosis
9. Wegener's granulomatosis
10. Hydatid cyst
11. Amyloid
12. Sarcoid