Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There is a new pacemaker with leads terminating in expected positions of the right atrium and right ventricle . Heart size is mildly enlarged and stable . The lungs are well expanded and clear . There is no pulmonary edema , pleural effusion or pneumothorax .
    OUTPUT:
    
New pacemaker with leads terminating in expected positions of right atrium and right ventricle .