Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a left transvenous pacemaker with leads terminating in the right atrium and right ventricle . The lungs are free of focal consolidations , pleural effusions or pneumothorax . No pulmonary edema . Mediastinum , hila and heart are within normal limits .
    OUTPUT:
    
Pacemaker leads terminate in the right atrium and right ventricle . No pneumothorax .