Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are moderate - sized bilateral pleural effusions , left greater than right . Evaluation of the lower lung fields and cardiac silhouette is limited in this setting , but there is likely bibasilar compressive atelectasis . Aortic knob calcification and descending aortic calcification is seen . The visualized portions of the upper lung fields demonstrate no focal consolidation or pneumothorax . Diffuse osteopenia is seen .
    OUTPUT:
    
Moderate - sized bilateral pleural effusions . Underlying consolidation from infection can not be excluded .