Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A left - sided pacemaker is new with leads in the expected position of the right atrium and right ventricle . No focal consolidation , pleural effusion or pneumothorax is present . Normal heart size , mediastinal and hilar contours . No evidence of pulmonary vascular congestion .
    OUTPUT:
    
New left - sided pacemaker with leads in the expected location of the right atrium and right ventricle .