Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiographs were obtained . There are persistent bibasilar opacities with moderate bilateral layering pleural effusions , unchanged from prior study . There is interval improvement in pulmonary edema . There is no pneumothorax . The cardiomediastinal silhouette is stable .
    OUTPUT:
    
1 . Persistent unchanged bilateral pleural effusions and bibasilar atelectasis . 2 . Interval improvement in pulmonary edema .