Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are diffuse bilateral interstitial abnormalities , peribronchial cuffing and developing perihilar airspace opacities concerning for pulmonary edema . There are aortic knob calcifications . The heart size is normal . There are likely small bilateral pleural effusions . No pneumothorax is identified .
    OUTPUT:
    
Moderate pulmonary edema .