May Be Caused by

Amyloidosis

Bronchogenic carcinoma

Cavitating pneumonia

Coal-worker pneumoconiosis

Coccidioidomycosis

Cystic adenomatoid malformation

Cystic fibrosis

Dirofilariasis

Fungal infection

Granuloma

Hodgkin disease

Hydatid cyst

Inflammatory pseudotumor

Intralobar pulmonary sequestration

Isoniazid cyst

Loculated pneumothorax

Lung abscess

Lymphoma

Melioidosis

Metastasis

Papillomatosis of lung

Paragonimiasis

Pulmonary infarction

Rheumatoid nodule

Saccular bronchiectasis

Septic embolus

Silicosis

Traumatic lung cyst

Tuberculosis

Wegener granulomatosis