Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is status post median sternotomy with unchanged discontinuity in the superior most sternotomy wire . Heart size is normal . Mediastinal and hilar contours are normal . Pulmonary vasculature is normal . Lungs are clear . No focal consolidation , pleural effusion or pneumothorax is demonstrated . No acute osseous abnormality is present .
    OUTPUT:
    
No acute cardiopulmonary abnormality .