Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are low in volume and show bilateral focal and interstitial airspace opacities . The cardiac silhouette is enlarged . The mediastinal silhouette and hilar contours are normal . No pleural effusion or pneumothorax is present . A left - sided pacer terminates with leads in the right atrium and right ventricle . Clips suggesting a CABG and sternal wires are unchanged and intact .
    OUTPUT:
    
moderate pulmonary edema .