Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right chest wall Port - A - Cath ends at the cavoatrial junction . Left - sided pacemaker device is again seed with leads ending in the right atrium , right ventricle , and left ventricle . Heart size remains moderately enlarged . Mediastinal contour is unchanged . There is extensive bronchiectasis and scarring in the upper lobes more so on the right with associated chronic right upper lobe volume loss . In addition , there is a chronic area of increased opacity in the lingula but appear similar to prior radiographs . . In comparison to the most recent prior chest radiograph there is increased opacification of the right lung base . There is no pleural effusion or pneumothorax . There is no acute osseous abnormality .
    OUTPUT:
    
Chronic changes of cystic fibrosis as described above with focal increased opacity of the right lung base compared to ___ , concerning for pneumonia .