Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is status post median sternotomy , coronary artery stenting , and CABG . The heart is mildly enlarged with a left ventricular predominance . The mediastinal and hilar contours are normal . The lungs are clear . No pleural effusion or pneumothorax is identified . No acute osseous abnormality is seen .
    OUTPUT:
    
No acute cardiopulmonary abnormality .