Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP view of the chest . Left - sided pacemaker wires are in appropriate position . Thoracic aortic stent is unchanged . Cardiomediastinal and hilar contours are unchanged . Previously seen right lower lung opacity has decreased . Trace bilateral pleural effusions are again seen . No pneumothorax .
    OUTPUT:
    
Decrease in right pleural effusion , trace bilateral pleural effusions persist .