Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Low lung volumes are noted again noted . Streaky bibasilar opacities are likely atelectasis . There is no effusion or overt pulmonary edema . Cardiomediastinal silhouette is within normal limits . Tortuosity of the descending thoracic aorta is again noted . No acute osseous abnormalities . Compression deformity of a mid to lower thoracic vertebral body is unchanged .
    OUTPUT:
    
No acute cardiopulmonary process .