Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is status post median sternotomy and CABG . There are relatively low lung volumes and mild elevation of the right hemidiaphragm . Small bilateral pleural effusions are seen , with overlying atelectasis . No pneumothorax is seen . The cardiac and mediastinal silhouettes are stable .
    OUTPUT:
    
Bilateral pleural effusions with overlying atelectasis . Underlying consolidation not entirely excluded .