Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: As compared to the previous examination , the patient has received the left pectoral pacemaker . The pacemaker leads are projecting over the right atrium and the right ventricle respectively . There is no evidence of pneumothorax or other complication . Normal size of the heart , no pulmonary edema .
    OUTPUT:
    
Normal pacemaker placement without complications .