Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lungs are hyperinflated but clear . Cardiomediastinal and hilar contours are unremarkable . A pacemaker device is present , with leads ending in the right atrium and right ventricle . Allowing for slight differences in patient positioning , there has been no significant interval change in the appearance of the pacemaker or associated leads . There is no pneumothorax , pleural effusion , or consolidation .
    OUTPUT:
    
1 . No pneumonia . 2 . Pacemaker leads terminate in the right atrium and right ventricle .