Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The cardiac , mediastinal and hilar contours are normal . The pulmonary vascularity is normal . The lungs are clear . No pleural effusion or pneumothorax is present . A stimulator device is noted in the left chest wall with lead coursing cephalad into the left aspect of the neck . There are mild degenerative changes in the thoracic spine , but no acute osseous abnormalities are seen . Remote right - sided rib fracture is present .
    OUTPUT:
    
No acute cardiopulmonary process .