Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left - sided dual - chamber pacemaker device is noted with leads projecting in the right atrium and ventricle , unchanged . The cardiac silhouette size is normal . The aortic knob is markedly calcified . The mediastinal and hilar contours are unremarkable . No focal consolidation , pleural effusion or pneumothorax is identified . Pulmonary vascularity is normal . Minimal biapical pleural scarring is seen . There are no acute osseous abnormalities . Remote right - sided rib fractures are noted .
    OUTPUT:
    
No acute cardiopulmonary abnormality .