Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest are compared to previous exam from ___ . As on prior , there are linear bibasilar opacities suggestive of atelectasis . There is no pleural effusion nor pneumothorax . The cardiomediastinal silhouette is within normal limits . Osseous and soft tissue structures are grossly unremarkable .
    OUTPUT:
    
No definite acute cardiopulmonary process .