Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart size is normal . The hilar and mediastinal contours are normal . There is a subtle increase in opacification in a peribronchovascular distribution in the right middle , right lower , and left lower lobes . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
Pulmonary edema , or multifocal pneumonia , likely viral . If the patient is immunocompromised , PCP should be considered . These findings were discussed with Dr . ___ by Dr . ___ , by telephone , on the day of the exam at 11 :50 am .