Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: AP and lateral views of the chest were compared to previous exam from ___ . Left subclavian line and ET tube are no longer seen . Low lung volumes are noted . Linear bibasilar opacities most suggestive of atelectasis . Cardiomediastinal silhouette is within normal limits . Osseous and soft tissue structures are unremarkable .
    OUTPUT:
    
No acute cardiopulmonary process .