Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: As on prior , low lung volumes are seen . There are bibasilar opacities are likely secondary to atelectasis . Superiorly , the lungs are clear . There is no effusion or pneumothorax . The cardiomediastinal silhouette is within normal limits . No acute osseous abnormalities .
    OUTPUT:
    
No acute cardiopulmonary process .