Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA and lateral views of the chest are compared to previous exam from ___ . Lower lung volumes are seen on the current exam . Linear bibasilar opacities are most suggestive of atelectasis . There is no effusion . Cardiomediastinal silhouette is within normal limits . Osseous and soft tissue structures are unremarkable .
    OUTPUT:
    
Lower lung volumes with linear bibasilar opacities , most suggestive of atelectasis . No definite acute cardiopulmonary process .