Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lung volumes are low . The cardiac contour is accordingly difficult to assess , also given a large right - sided pleural effusion and a moderate to large left - sided one . Parenchymal opacification is probably associated with associated volume loss and atelectasis . There is no pneumothorax .
    OUTPUT:
    
Bilateral pleural effusions .