Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are hyperinflated . Chronic changes including scarring identified at the left upper lung as well as increased interstitial markings throughout the lungs . There is no new consolidation no are effusion . Cardiomediastinal silhouette is mildly enlarged as on prior . No acute osseous abnormalities identified .
    OUTPUT:
    
Hyperinflation and scarring . No definite consolidation .