Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Faint bibasilar opacities are noted , greater at the left base than the right , and likely representative of atelectasis . The cardiomediastinal silhouette is normal . There is no evidence of an effusion or pneumothorax . There are no acute fractures . No free air is noted under the hemidiaphragms .
    OUTPUT:
    
No acute cardiopulmonary process .