Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are hyperinflated . Increased interstitial markings are seen throughout the lungs , similar when compared to prior . There is no new confluent consolidation . Blunting of the lateral costophrenic angles is noted , potentially due to scarring or pleural thickening although small effusions would also be possible . Left chest wall dual lead pacing device is noted . Moderate cardiomegaly and atherosclerotic calcifications are noted . Old posterior right rib fractures are seen .
    OUTPUT:
    
Cardiomegaly and chronic changes in the lungs . Superimposed edema would be possible .