Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: As compared to prior chest radiograph from ___ , there has been interval improvement of right middle lobe pneumonia . There is minimal opacification over the area of recent pneumonia , this could represent scarring or residual opacities from prior infectious process . No new consolidations are identified . There are no pleural effusions or pneumothorax . The cardiomediastinal silhouette is normal . There is a rib deformity on the right . Osseous structures are otherwise intact .
    OUTPUT:
    
Interval improvement of right middle lobe pneumonia , with minimal opacity in the right lower lobe , which may represent scarring or residual opacification from prior infectious process .