Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is mild interstitial pulmonary edema . The lungs are otherwise clear . The heart size is normal . The mediastinal contours are normal . There are no pleural effusions . No pneumothorax is seen .
    OUTPUT:
    
Mild interstitial pulmonary edema . Findings were discussed with Dr . ___ by Dr . ___ at 9 : 23 a .m . via telephone on the day of the study .