Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left - sided AICD / pacemaker device is noted with leads terminating in right atrium and right ventricle . The cardiac , mediastinal , and hilar contours are within normal limits . Pulmonary vascularity is normal . Lungs are clear . No pleural effusion or pneumothorax is present . There are mild degenerative changes in the thoracic spine .
    OUTPUT:
    
No acute cardiopulmonary abnormality .