Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been placement of a left - sided 2 lead pacemaker with lead tips in the right atrium and right ventricle . The heart size is upper limits of normal . Lungs are clear . There are no pneumothoraces .
    OUTPUT:
    
Intact left - sided pacemaker without cardiopulmonary process , including pneumothoraces .