Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lung volumes are low causing streaky opacities at the lung bases likely representing atelecasis . Aorta is again tortous . A sclerotic focus is seen in the right fifth anterior rib , unchanged from ___ . The cardiomediastinal silhouette is unremarkable . The hilar contours are unremarkable . There are no pleural effusions or pneumothoraces .
    OUTPUT:
    
Low lung volumes with bibasilar atelectasis .