Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP and lateral views of the chest are compared to previous exam from ___ . There are linear bibasilar opacities . Superiorly , the lungs are clear . There is no effusion . Cardiomediastinal silhouette is within normal limits . Osseous and soft tissue structures are unremarkable .
    OUTPUT:
    
Linear bibasilar opacities suggestive of atelectasis , noting that infection can not be excluded .