Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are bilateral basilar opacities , with some element of organization likely representing subacute pneumonia . The upper lung zones are clear . There is no pneumothorax or pleural effusion . Cardiomediastinal silhouette is normal .
    OUTPUT:
    
Bibasilar opacities with organization , likely subacute pneumonia .