Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are faint bibasilar opacities , left greater than right . Elsewhere lungs are clear . The cardiomediastinal silhouette is within normal limits . No acute osseous abnormalities .
    OUTPUT:
    
Faint bibasilar opacities potentially atelectasis noting that infection can not be excluded in the proper clinical setting .