Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest . Linear bibasilar opacities may be due to atelectasis versus scarring . Thelungs are clear of confluent consolidation or effusion . The cardiomediastinal silhouette is within normal limits . Osseous and soft tissue structures are unremarkable .
    OUTPUT:
    
No definite acute cardiopulmonary process .