Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The previously noted small left apical pneumothorax is not appreciated . There are small bilateral left greater than right pleural effusions . There is bibasilar opacification , likely atelectasis . There are no new focal recurring opacities concerning for pneumonia . The cardiomediastinal and hilar contours are stable demonstrating tortuosity of the thoracic aorta with atherosclerotic calcification . The patient is status post median sternotomy and CABG . Multilevel degenerative changes of thoracolumbar spine as manifested by marginal osteophytic formation are stable .
    OUTPUT:
    
No evidence of pneumothorax . Bibasilar atelectasis and small bilateral pleural effusions .