Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is moderately enlarged . The upper mediastinal contours are stable with a right aortic arch . There is minimal bibasilar atelectasis but no focal consolidation , pleural effusion , or pneumothorax . No evidence of congestive failure .
    OUTPUT:
    
Moderate cardiomegaly . Minimal bibasilar atelectasis .