Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Cardiac size within normal limits . Some tortuosity of the thoracic aorta is present . There is no evidence of failure . Some atelectasis is present . The left effusion present on the prior chest x-ray of one day earlier has decreased . When compared to the chest x-ray of ___ , the perihilar structures appear more prominent and this would suggest some failure is likely present .
    OUTPUT:
    
Some evidence of failure , though decrease in size of left effusion .