Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest are compared to previous exam from ___ . Compared to prior , there is no significant interval change . Again seen is elevation of the right hemidiaphragm . There is a small right - sided pleural effusion . Increased interstitial opacities are seen , predominantly in the upper lungs bilaterally suggesting scarring . Cardiac silhouette is enlarged but stable in configuration . Osseous and soft tissue structures are unremarkable . Surgical clips in the upper abdomen suggest prior cholecystectomy .
    OUTPUT:
    
Increased interstitial opacities in the upper lungs suggesting scarring . Persistent small right pleural effusion .