Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac silhouette is enlarged . Increased bibasilar opacities likely relate to atlectasis . There is no evidence of pleural effusion or pneumothorax . There is no focal consolidation concerning for pneumonia . Note is made of calcified pleural plaque at the level of the diaphragms . Patient is status post median sternotomy . There is evidence of DISH in the thoracic spine .
    OUTPUT:
    
1 . Bibasilar opacities likely reflect atelectasis . No findings concerning for pneumonia . 2 . Calcified pleural plaques suggest prior asbestos exposure .