Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Streaky bibasilar opacities potentially due to atelectasis . Chain sutures in the right mid lung are best seen on the lateral view similar to prior . Elsewhere , the lungs are clear . The cardiomediastinal silhouette is within normal limits . Atherosclerotic calcifications seen at the aortic arch . No acute osseous abnormality is identified .
    OUTPUT:
    
Streaky bibasilar opacities , worse on the left may be due to atelectasis .