Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Single portable radiograph of the chest demonstrates stable enlargement of the cardiac mediastinal silhouette . There is blunting of the costophrenic angles bilaterally , reflecting small to moderate bilateral pleural effusions along with underlying bibasilar atelectasis . No focal opacity is identified within the lungs . There is no pneumothorax .
    OUTPUT:
    
Bilateral small to moderate pleural effusions with stable cardiomegaly .