Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Nerve stimulator device pack projects over the left lower chest with single lead projecting cephalad into the left neck . Heart size is normal . Mediastinal and hilar contours are normal . Pulmonary vasculature is normal . Lungs are clear . No pleural effusion or pneumothorax is seen . There are no acute osseous abnormalities .
    OUTPUT:
    
No acute cardiopulmonary abnormality .