Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single AP view of the chest was obtained . Diffuse bilateral parenchymal opacities , most prominent in the lower lung regions , are consistent with alveolar edema . However , underlying pneumonia can not be excluded . The cardiomediastinal silhouette is normal . There is no pneumothorax or bony abnormality . There is no free air below the right hemidiaphragm .
    OUTPUT:
    
Pulmonary edema . Can not exclude underlying pneumonia . Followup to resolution is recommended .