Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes remain low . Mild to moderate enlargement of cardiac silhouette is re - demonstrated , unchanged . Mediastinal and hilar contours are similar , and the pulmonary vasculature is not engorged . Small to moderate size bilateral pleural effusions , larger on the right , appear not substantially changed in the interval . There is associated bibasilar airspace opacities , likely reflective of atelectasis . No pneumothorax is present . Degenerative changes are noted in the imaged thoracic spine .
    OUTPUT:
    
Continued small to moderate size bilateral pleural effusions , larger on the right . Bibasilar airspace opacities likely reflect areas of compressive atelectasis .