Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Hyperinflated lungs remain grossly clear with no new focal opacities concerning for pneumonia . There are no pleural effusions or pneumothorax . The cardiomediastinal and hilar contours are stable demonstrating marked tortuosity and calcification involving the thoracic aorta . Heart size is normal . Left - sided dual - chamber pacemaker leads terminate within the right atrium and right ventricle . Pulmonary vascularity is not engorged . There are multilevel degenerative changes of the thoracolumbar spine . Old healed rib fractures are demonstrated involving right lateral ribs .
    OUTPUT:
    
No acute cardiopulmonary process .