Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since the previous radiograph , there has been continued improvement in the previously described pulmonary edema . There are moderate bilateral effusions , which are unchanged . There are small bibasilar hazy opacities consistent with atelectasis . The cardiomediastinal silhouette is normal . Cervical hardware is again noted .
    OUTPUT:
    
1 . Continued improvement in pulmonary edema . 2 . Moderate bilateral pleural effusions .