Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are hyperinflated , reflecting chronic pulmonary disease . Chronic scarring is again noted at the bilateral lung bases . The heart is normal in size , and the mediastinal contours are normal . Calcifications on the aortic arch are again seen . The patient is status post median sternotomy , and multiple mediastinal surgical clips reflect prior CABG . The lungs are clear of focal consolidation , pleural effusion or pneumothorax . No pulmonary edema is seen .
    OUTPUT:
    
No acute cardiopulmonary process .