Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is status post median sternotomy and CABG . Mild enlargement of the cardiac silhouette is re - demonstrated . The aorta is diffusely calcified . The mediastinal and hilar contours are similar . Small bilateral pleural effusions are present along with bibasilar patchy opacities , likely atelectasis . Pulmonary vasculature is not engorged . There is no pneumothorax .
    OUTPUT:
    
Small bilateral pleural effusions with bibasilar atelectasis .