Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear without focal consolidation , effusion , or edema . Cardiac silhouette is mildly enlarged as on prior . Tortuosity of the descending thoracic aorta is again noted . No acute osseous abnormality . Right cervical rib is incidentally noted .
    OUTPUT:
    
No acute cardiopulmonary process .