Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is severe opacification of the mid lung fields bilaterally , right greater than left , which likely represents severe asymmetric pulmonary edema or edema with underlying pneumonia . Heart size is enlarged . No pneumothorax is seen on this view . No large pleural effusion is noted .
    OUTPUT:
    
Severe asymmetric pulmonary edema ; underlying pneumonia in the right lung can not be excluded . These findings were discussed with Dr . ___ by Dr . ___ by telephone at 1 :21 p .m . on ___ .