Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is status post median sternotomy with multiple metallic closure devices seen . Elevation of the right hemidiaphragm is unchanged with overlying streaky linear opacities compatible with bibasilar atelectasis . Streaky opacities at the left lung base are also similar in appearance to the prior study , compatible with atelectasis . No large pleural effusion or pneumothorax is detected on this single frontal view . There is no overt pulmonary edema . The pulmonary vasculature is within normal limits . The cardiac silhouette is top normal in size , but stable . The thoracic aorta is tortuous and partially calcified , as before . There is no free air beneath the right hemidiaphragm .
    OUTPUT:
    
Elevation of the right hemidiaphragm with bibasilar atelectasis . No evidence of heart failure .