Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Since the prior exam , there is increasing opacification at the right base , which is most likely due to aspiration , given the acute change . Otherwise , remaining lung fields are stable , including right lower lobe bronchiectasis and scarring . There is continued diffuse interstitial prominence . There is no definite pulmonary edema . There is no pleural effusion or pneumothorax . The heart is severely enlarged . Post - CABG changes are stable . A pacemaker is in place . The wires are in appropriate position .
    OUTPUT:
    
Increasing opacity in the right lower lung zone is worrisome for aspiration . Stable interstitial prominence and right lower lobe scaring .