Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are well expanded . There are opacities silhouetting the right heart border . No other focal opacities . No pleural effusion or pneumothorax . Heart size is normal . LEFT HILUS IS ENLARGED , AN SHOULD BE RE - EVALUATED AFTER TREATMENT OF PNEUMONIA .
    OUTPUT:
    
Right middle lobe pneumonia .