Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is mild pulmonary edema , which has improved compared to prior . There are bilateral small pleural effusions with associated bibasilar atelectasis . The lungs are otherwise clear . The cardiomediastinal silhouette is stable . There is no pneumothorax .
    OUTPUT:
    
1 . Mild pulmonary edema , improved compared to prior . 2 . Small bilateral pleural effusions with associated atelectasis .