Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are hyperinflated , likely due to emphysema . A widespread interstitial abnormality is most consistent with superimposed fibrosis . There is no focal abnormality to suggest pneumonia . There is no vascular congestion , pleural effusion , or pneumothorax . The cardiomediastinal silhouette is normal . Compression deformities in the mid thoracic spine are of uncertain age , though likely old .
    OUTPUT:
    
1 . Hyperinflation , likely due to emphysema . 2 . Diffuse interstitial abnormality is likely due to a fibrotic interstitial lung disease . 3 . No evidence of pneumonia .