Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac silhouette size is normal . The mediastinal and hilar contours are unremarkable . Atherosclerotic calcifications are noted at the aortic knob . Pulmonary vasculature is normal . Calcified granulomas in the left lung base appear unchanged . Subsegmental atelectasis or scarring is noted within the left lung base . No focal consolidation , pleural effusion or pneumothorax is present . Mild to moderate multilevel degenerative changes are seen in the thoracic spine .
    OUTPUT:
    
No acute cardiopulmonary abnormality . Re - demonstration of 2 calcified granulomas in the left lung base .