Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is status post median sternotomy and CABG . Heart size is top normal . Mediastinal and hilar contours are unremarkable , and no pulmonary vascular congestion is seen . Small bilateral pleural effusions are noted with minimal bibasilar atelectasis . No focal consolidation or pneumothorax is present . There are no acute osseous abnormalities .
    OUTPUT:
    
Small bilateral pleural effusions .