Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been interval resolution of right middle lobe opacification , consistent with clearing of pneumonia . Emphysematous changes at bilateral upper lungs , right greater than left , is similar to prior . There is no pleural effusion . Cardiomediastinal silhouette is normal size .
    OUTPUT:
    
There has been interval resolution of right middle lobe opacification , consistent with clearing of pneumonia .