Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear . The cardiomediastinal silhouette is within normal limits . Relative elevation of left hemidiaphragm is again noted . Atherosclerotic calcifications are noted at the aortic arch . No acute osseous abnormalities noted , hypertrophic changes seen in the spine .
    OUTPUT:
    
No acute cardiopulmonary process .