Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A pacemaker generator is seen projected over the left chest wall with a single lead terminating adjacent to the right ventricle . The lungs are clear . The cardiomediastinal silhouette and hilar contours are normal . The pleural surfaces are normal without effusion or pneumothorax .
    OUTPUT:
    
No acute cardiopulmonary process .