Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest . The lungs are hyperinflated with increased interstitial markings throughout suggesting of chronic interstitial process . Biapical scarring is again noted . More linear retrocardiac opacity persists and is likely due to scarring . The cardiac silhouette is slightly enlarged but stable in configuration . Atherosclerotic calcification is noted at the aortic arch . Blunting of the posterior costophrenic angles is again seen , possibly due to small effusions .
    OUTPUT:
    
Hyperinflation . Increased interstitial markings likely due to chronic changes .