Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since the prior radiograph on ___ , there are worsening bibasilar opacities , probably due to developing pleural effusions . There are also worsening interstitial markings , which likely represents interstitial pulmonary edema superimposed upon underlying chronic lung disease . Biapical scarring is re-demonstrated . There is no pneumothorax . Cardiomediastinal silhouette is within normal limits .
    OUTPUT:
    
1 . Mild interstitial pulmonary edema superimposed upon chronic lung disease . 2 . New bilateral pleural effusions .