Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left - sided dual - chamber pacemaker device is noted with leads terminating in the right atrium and right ventricle . Mild enlargement of the cardiac silhouette is present . The aorta is mildly tortuous and demonstrates atherosclerotic calcifications diffusely . Hilar contours are normal , and the pulmonary vasculature is not engorged . The lungs are clear without focal consolidation . No pleural effusion or pneumothorax is identified . Mild to moderate multilevel degenerative changes are seen in the thoracic spine as well as involving both acromioclavicular joints .
    OUTPUT:
    
No acute cardiopulmonary abnormality .