Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are slightly low . Streaky bibasilar opacities are most likely atelectasis . The lungs are otherwise clear without consolidation , effusion , or edema . Cardiac silhouette is top - normal . There is slight tortuosity of the descending thoracic aorta . No acute osseous abnormalities , hypertrophic changes are noted in the spine .
    OUTPUT:
    
No acute cardiopulmonary process .