Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Persistence of right middle lobe opacities obscuring the right heart border since ___ is concerning for pneumonia . The rest of the lungs appear unchanged since ___ . Moderate bibasilar atelectasis is slightly improved . The heart size is exaggerated by compressive atelectasis . No pneumothorax . Note is made of partial resection of the ___ posterior rib .
    OUTPUT:
    
Persistence of right middle lobe opacities since ___ is concerning for pneumonia .