Calcification
Focal lung lesion: Ghon's complex
Miliary lung calcification
Histoplasmosis
Tuberculosis
Alveolar microlithiasis
Chicken pox pneumonia
Solitary pulmonary nodule
Central / Granuloma
Lamellar / Histoplasmosis
Popcorn / Hamartoma
Eccentric / Scar Cancer
Nodes
Homogenous / TB
Clumpy / Histoplasmosis
Egg shell / Silicosis, Sarcoidosis
Tracheal cartilage / Aging
Tumor
Mediastinal mass / Teratoma
Healed lymphoma / Mets
Vascular
Aortic calcification
Pulmonary artery calcification / Pulmonary hypertension
Pleural
Visceral / Hemothorax, TB, Empyema
Parietal / Asbestosis
Subcutaneous calcification
Cysticercus