Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: As compared to the prior radiograph , the patient 's fluid overload has improved . Cardiac size remains moderately enlarged . Bibasilar atelectasis , particularly in the right middle lobe is still present , but also improving overall . A PICC line terminates at the cavoatrial junction .
    OUTPUT:
    
PICC line terminates at the cavoatrial junction . Moderate cardiomegaly and bibasilar atelectasis , which has improved .