Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is status post coronary artery bypass graft surgery as well as placement of a dual - lead pacemaker / ICD device . The lungs appear hyperinflated . The heart is normal in size . The mediastinal and hilar contours appear unchanged . The lungs appear clear . There is no pleural effusion or pneumothorax . Bony structures are unremarkable .
    OUTPUT:
    
No evidence of acute disease .