Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Increased interstitial markings are seen throughout the lungs slightly more prominent compared to prior . There is no focal consolidation or effusion . Cardiac silhouette is moderately enlarged as on prior . No acute osseous abnormalities identified . Old right - sided rib fractures are noted .
    OUTPUT:
    
Increased interstitial markings throughout the lungs . Given chronicity there is likely component of underlying interstitial process with suspected superimposed edema .