Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is status post coronary artery bypass graft surgery . A dual - lead pacemaker / ICD device is in place with leads again terminating in the right atrium and ventricle , respectively . Within the limitations of technique , the cardiac , mediastinal and hilar contours appear stable including cardiomegaly . The lung volumes are low . There is no pleural effusion or pneumothorax . The lungs appear clear within the limitations of technique .
    OUTPUT:
    
No evidence of acute disease .