Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Previously seen bilateral perihilar opacities have decreased in conspicuity , compatible with resolving pulmonary edema . The lungs are otherwise clear . The cardiomediastinal silhouette is normal . There are no pleural effusions . There is no pneumothorax .
    OUTPUT:
    
Improved pulmonary edema .