Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is status post median sternotomy and CABG , with multiple bypass graft stents noted . Heart size is borderline enlarged with mild prominence of the right ventricle , unchanged . Aortic knob is calcified . Mediastinal and hilar contours are unchanged , and there is no pulmonary edema seen . No focal consolidation , pleural effusion or pneumothorax is identified . No acute osseous abnormalities are seen .
    OUTPUT:
    
No acute cardiopulmonary process .