Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left - sided dual - chamber pacemaker device is noted with leads terminating within the right atrium and right ventricle . Moderate enlargement of the heart size is re - demonstrated , and there is tortuosity of thoracic aorta , unchanged . Atherosclerotic calcifications of aorta are re - demonstrated . Pulmonary vasculature is normal . No focal consolidation , pleural effusion or pneumothorax is present . There are mild degenerative changes noted in the thoracic spine .
    OUTPUT:
    
No acute cardiopulmonary abnormality .