Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Increased opacity projecting over the left midlung is likely due to pleural based scarring visualized on CT scans . Increased interstitial markings in the lungs this likely due to patient 's known underlying bronchiectasis . There is no new focal consolidation or effusion . Cardiac silhouette is enlarged but similar compared to prior . Tortuosity of the descending thoracic aorta is noted . Old healed left posterior rib fractures are again seen .
    OUTPUT:
    
Changes compatible with scarring and bronchiectasis in the lungs without new confluent consolidation .