Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is status post median sternotomy and CABG with unchanged fracture of the superior most wire . Heart size is normal . The aorta remains tortuous . Pulmonary vasculature is normal . Hilar and mediastinal contours are unchanged . Lungs are clear without focal consolidation . No pleural effusion or pneumothorax is identified . Vascular stent is re - demonstrated within the upper abdomen .
    OUTPUT:
    
No acute cardiopulmonary abnormality .