Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Severe pulmonary abnormalities are long - standing , including marked bronchiectasis and scarring . Intermittently the right upper lobe has been and collapsed . Today it is aerated , but shows that it is severely bronchiectatic . Interstitial abnormality , most evident in the lingula and lung bases has been a relatively constant feature , but on at least 1 occasion , ___ ___ , it was less abnormal , suggesting chronic recurrent congestive heart failure has recurred . Heart is obscured by pulmonary abnormality , probably not severely enlarged or changed since prior studies . Transvenous right atrial biventricular pacer leads are unchanged in their respective positions since ___ . A right central venous infusion catheter ends in the mid SVC .
    OUTPUT:
    
Severe chronic bronchiectasis due to cystic fibrosis . Recurrent mild chronic congestive heart failure . Pacer leads are unchanged in their positions .