Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are grossly clear . There is no consolidation , effusion , or edema . The cardiomediastinal silhouette is within normal limits . Atherosclerotic calcifications are noted at the aortic arch . No acute osseous abnormalities identified , although osteopenia limits evaluation . Known upper thoracic compression deformity is not particularly well assessed .
    OUTPUT:
    
No acute cardiopulmonary process .