Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is status post sternotomy and a dual - lead pacemaker / ICD device appears unchanged with leads again terminating in the right atrium and ventricle , respectively . The cardiac , mediastinal and hilar contours appear unchanged including mild cardiomegaly . The chest is hyperinflated . There is no pleural effusion or pneumothorax . The lungs appear clear .
    OUTPUT:
    
No evidence of acute cardiopulmonary process .