Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: As compared to the prior chest radiograph , there is been a slight interval improvement in the right pleural effusion , as well as more significant improvement in the bibasilar atelectasis . The known right middle lobe mass is now more conspicuous . There is a stable , small left pleural effusion with adjacent atelectasis . The upper lungs are clear without focal consolidation or pneumothorax . The heart size is normal . Mediastinal and hilar contours are normal .
    OUTPUT:
    
Interval improvement in the right lower lung pleural effusion and adjacent atelectasis . Stable , small left pleural effusion with adjacent atelectasis .