Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Increased interstitial markings are seen throughout the lungs bilaterally , overall similar when compared to prior . There is no new consolidation or effusion . The cardiomediastinal silhouette is stable . No acute osseous abnormalities . Chronic deformities seen in the ribs bilaterally suggest prior fractures .
    OUTPUT:
    
No focal consolidation . Increased interstitial markings in the lungs , potentially due to interstitial edema although given chronicity , chronic underlying interstitial process is also possible .