Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been little interval change in comparison to prior study from ___ . Chronic bibasilar atelectasis is mild . Mild cardiac enlargement cardiac and generalized aortic enlargement are stable . The lungs are clear and there is no pleural effusion .
    OUTPUT:
    
Mild bibasilar atelectasis , mildf cardiomegaly , and general enlargement of the thoracic are all chronic . No pneumonia .