Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Dual channel pacemaker leads are in standard position , extending to the right atrium and apex of the right ventricle . The cardiomediastinal silhouette and hilar contours are within normal limits . The pleural surfaces are clear without effusion or pneumothorax . Of note , there is some subcutaneous air in the soft tissues , which is normal in the post operative period .
    OUTPUT:
    
Pacemaker leads in standard position . No evidence of pneumothorax .