Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal view of the chest was obtained . The heart is of top normal size . Bibasilar patchy airspace opacities are compatible with pneumonia . There is likely underlying emphysema . No pneumothorax or substantial pleural effusion . No radiopaque foreign body .
    OUTPUT:
    
Bibasilar patchy airspace opacities , compatible with pneumonia .