Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral chest radiograph demonstrates new left pectorally placed dual chamber pacemaker with intact leads following the expected course to the right atrium and ventricle in appropriate position . There is no pneumothorax . The lungs are well expanded and clear . There is no pleural effusion . The cardiomediastinal and hilar contours are within normal limits .
    OUTPUT:
    
New dual - chamber pacemaker with leads in appropriate position . No pneumothorax .