Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been interval improvement of a right - sided pleural effusion and the right basilar opacification . However , there is still opacification of the right lower and upper lungs as well as the left upper lung . There is no pneumothorax . The cardiomediastinal and hilar contours are stable .
    OUTPUT:
    
1 . Improved right pleural effusion . Continued opacification of the right lower and upper lung as well as the left upper lung consistent with pneumonia .