Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP and lateral views of the chest . There is relative elevation of the right hemidiaphragm . Bibasilar opacities are noted , potentially due to atelectasis , although infection or aspiration is also possible . The cardiomediastinal silhouette is within normal limits . No acute osseous abnormality is identified .
    OUTPUT:
    
Bibasilar opacities , potentially due to atelectasis , although infection or aspiration would also be possible .