Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is moderately enlarged . The aortic arch is calcified . The aorta is also moderately tortuous . The cardiac , mediastinal and hilar contours appear stable . The chest is hyperinflated . There is no pleural effusion or pneumothorax . The lungs appear clear .
    OUTPUT:
    
Cardiomegaly . No evidence of acute disease .