Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac , mediastinal , and hilar contours appear unchanged . There is mild unfolding of the thoracic aorta . There is a moderate pleural effusion on the right , potentially with a degree of loculation . Other than increased pleural effusion , however , there is no definitive change , noting otherwise similar patchy opacification of the right lung , particularly the right lower lung . The left lung remains essentially clear . There is no clear evidence for pleural effusion on the left . There is no pneumothorax .
    OUTPUT:
    
Increasing pleural effusion on the right ; otherwise no significant change .