Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac size is normal . The hilar and mediastinal contours are normal . There has been interval improvement of the right sided pleural effusion . Right middle lobe opacity is not as sharply seen on today 's examination . There is no pneumothorax .
    OUTPUT:
    
Significant improvement of right pleural effusion with no pneumothorax .