Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Linear bibasilar opacities are likely atelectasis given lower lung volumes . Superiorly , the lungs are clear . There is no effusion or pneumothorax . The cardiomediastinal silhouette is within normal limits . No acute osseous abnormalities identified .
    OUTPUT:
    
No acute cardiopulmonary process .