Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs remain hyperinflated . There is blunting of bilateral costophrenic angles concerning for small bilateral pleural effusions , although could also be due to pleural thickening and lateral views would be helpful for further evaluation . The cardiac silhouette is enlarged . Patient is status post median sternotomy and CABG . No focal consolidation or pneumothorax is seen .
    OUTPUT:
    
Small bilateral pleural effusions . Enlarged cardiac silhouette .