Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear bilaterally without focal consolidation , effusion , or pneumothorax . Coarsened interstitial markings likely reflect some chronic scarring in the lungs , though there is no significant change from a prior exam from ___ . Cardiomediastinal silhouette appears stable with top normal heart size . Bony structures are intact .
    OUTPUT:
    
No acute findings in the chest .