Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Right PICC tip terminates in the lower SVC . Heart size is normal . Mediastinal and hilar contours are unchanged . Linear scarring in the left apex is similar . Diffuse bronchiectasis is re - demonstrated with areas of lucency compatible with regions of air trapping , more so within the right lung compared to the left , better appreciated on the previous CT . Increased patchy opacities are noted within the left lung base , new from the previous study , findings which could reflect atelectasis but infection or aspiration can not be excluded . Chain sutures are seen within the left lower lung field . There is no pleural effusion or pneumothorax . No acute osseous abnormalities detected .
    OUTPUT:
    
Patchy opacities in left lung base may reflect atelectasis , but infection or aspiration can not be excluded . Chronic bronchiectasis with areas of scarring and air trapping again noted .