Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Patient is status post median sternotomy and CABG . Heart size is normal . Volume loss of the right lung with fibrosis , bronchiectasis , architectural distortion and scarring in the right upper lobe is unchanged causing rightward shift of mediastinal structures . Lungs are hyperinflated with extensive emphysema again noted . New patchy opacities are seen within both lung bases , more so within the right lower lobe , concerning for aspiration or pneumonia . Pulmonary vasculature is not engorged and hilar contours are similar . No pneumothorax or large pleural effusion is present . There are no acute osseous abnormalities .
    OUTPUT:
    
New patchy opacities in lung bases concerning for aspiration or pneumonia . Extensive emphysema with scarring , architectural distortion , bronchiectasis , and fibrosis in the right upper lobe with chronic right - sided volume loss .