Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lungs are fully expanded and clear . No pleural abnormalities . Heart size is normal . Cardiomediastinal and hilar silhouettes are normal . A right pectoralis dual lead cardiac pacemaker is unchanged in position with leads projecting over the expected locations of the right atrium and right ventricle .
    OUTPUT:
    
No acute cardiopulmonary abnormality .