Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac silhouette size remains mildly enlarged . The mediastinal and hilar contours are similar . Pulmonary vasculature is not engorged . Chronic interstitial opacities with fibrotic change is most pronounced within the lung bases , similar to the previous CT . Calcified pleural parenchymal scarring is re - demonstrated in both lung apices . No focal consolidation , pleural effusion or pneumothorax is present . There are no acute osseous abnormalities .
    OUTPUT:
    
Chronic interstitial lung disease , better characterized on the previous CT . No new focal consolidation .