Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest were provided . Streaky linear opacities are again seen in the mid - to - upper lungs in an unchanged pattern suggestive of scarring / fibrosis . No new consolidation , effusion , pneumothorax . Cardiomediastinal silhouette appears normal . Bony structures are intact . No free air below the right hemidiaphragm .
    OUTPUT:
    
No acute findings . Stable scarring in the bilateral mid - to - upper lungs .