Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a trace right and a moderate left pleural effusion . Associated left base atelectasis is noted . Superiorly , the lungs are clear . Cardiac silhouette can not be adequately assessed but is likely enlarged . Compression deformity in the lower thoracic spine was seen on prior . Surgical clips project over the right upper quadrant .
    OUTPUT:
    
Moderate left and trace right pleural effusions .