Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Opacity in the right hemithorax has improved due to decrease in size and redistribution of the right effusion . Bibasilar atelectasis have improved . Cardiomediastinal contours are unchanged . Left subcutaneous emphysema has improved . There is no pneumothorax . Lines and tubes are in unchanged position
    OUTPUT:
    
Improved left subcutaneous emphysema and right effusion .