Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac silhouette is top normal in size . The mediastinal and hilar contours are normal . Patchy bibasilar airspace opacities compatible with atelectasis are slightly worse in interval . Small bilateral pleural effusions appear to be present . There is no pneumothorax . No acute osseous abnormality is seen .
    OUTPUT:
    
Worsening atelectasis within the lung bases with small bilateral pleural effusions . Unchanged cardiac silhouette size .