Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Left - sided pacemaker device is again noted with single lead terminating in the region of the right ventricle . Cardiac , mediastinal and hilar contours are normal . Lungs are clear . Pulmonary vasculature normal . No pleural effusion or pneumothorax is present . No acute osseous abnormality is visualized .
    OUTPUT:
    
No acute cardiopulmonary abnormality .