Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There are bibasilar opacities more conspicuous on the frontal view than on the lateral . There is no effusion . Superiorly , the lungs are clear . Slight cardiac enlargement is noted . No acute osseous abnormalities .
    OUTPUT:
    
Bibasilar opacities , potentially atelectasis noting that infection is not excluded .