Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is mildly enlarged , stable compared to the prior PA scan from ___ . There has been interval improvement of the bibasilar atelectasis with persistent linear scarring at the bases . No new focal consolidations are seen . There is no pneumothorax . There is a left - sided Port - A - Cath which terminates in the right atrium . Again seen is a large hiatal hernia .
    OUTPUT:
    
Interval improvement of the bibasilar atelectasis with residual scarring at the bases . No evidence of a new pneumonia . Large hiatal hernia .