Multiple pulmonary nodules

A lung nodule or pulmonary nodule is a relatively small focal density in the lung. A solitary pulmonary nodule (SPN) or coin lesion, is a mass in the lung smaller than 3 centimeters in diameter. [Source: Wikipedia ]

May Be Caused by

Common: Bronchiolo-alveolar carcinoma; Coccidioidomycosis; Fungal disease; Histoplasmosis; Metastases; Tuberculosis
Uncommon: Allergic bronchopulmonary aspergillosis; Amyloidosis; Arteriovenous fistulas; Arteriovenous malformation; Asbestosis; Bacillary angiomatosis; Berylliosis; Caplan syndrome; Carney triad; Coal-worker pneumoconiosis; Cystic fibrosis; Fluid-filled bronchiectatic cysts; Gaucher disease; Hamartomas; Hematomas of lung; Hydatid cysts; Kaposi sarcoma; Langerhans cell histiocytosis; Leiomyomatosis; Lipoid pneumonia; Lung abscesses; Lymphoma; Measles; Melioidosis; Mitral stenosis; Mucoid impaction; Mucus plug; Multiple myeloma; Niemann-Pick disease; Papillomatosis of lung; Paragonimiasis; Plasmacytoma; Pneumoconiosis; Polyarteritis nodosa; Pulmonary arterial coarctation; Pulmonary hemosiderosis; Pulmonary infarcts; Rheumatoid nodules; Sarcoidosis; Septic emboli; Silicosis; Stannosis; Talcosis; Varices; Wegener granulomatosis