Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are small left and trace right pleural effusions and moderate bibasilar atelectasis . There is mild interstitial edema , similar to prior . There is no focal consolidation or pneumothorax . The cardiomediastinal silhouette is normal . No free air below the right hemidiaphragm is seen .
    OUTPUT:
    
Small left and trace right pleural effusions appear slightly improved compared to prior . Moderate bibasilar atelectasis is similar to prior .