Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is mild to moderately enlarged . There is mild unfolding of the thoracic aorta . The lungs appear clear . There are no pleural effusions or pneumothorax . Mild hyperinflation is suspected . There are flowing osteophytes along the mid to lower thoracic spine .
    OUTPUT:
    
Cardiomegaly . No evidence of acute disease .