Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The patient is status post median sternotomy and CABG . Heart size is top normal . Mediastinal and hilar contours are stable . There is hyperinflation of the lungs with emphysematous changes again noted , most pronounced in the lung apices . Streaky linear opacities within the lung bases likely reflect the patient 's known bronchiectasis . Linear scarring is also seen within the periphery of the right lung base . No focal consolidation , pleural effusion or pneumothorax is identified . There are multilevel mild degenerative changes noted within the thoracic spine .
    OUTPUT:
    
No radiographic evidence for pneumonia . Chronic bronchiectasis within the lung bases and emphysema .