Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiomediastinal silhouette is enlarged but stable compared to prior studies . There are multiple bilateral pleural plaques which remain unchanged . Stable bibasilar small pleural effusions with adjacent atelectasis is seen and remains grossly unchanged . The retrocardiac opacity is again seen and remains unchanged likely representing atelectasis .
    OUTPUT:
    
Stable bibasilar atelectasis with small bilateral pleural effusions , grossly unchanged from ___ study .