Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The heart is mild - to - moderately enlarged . The aortic arch is calcified . A streaky right basilar opacity suggests minor atelectasis . There is also streaky left mid lung opacity suggesting minor atelectasis or scarring . The lungs appear otherwise clear . There are no pleural effusions or pneumothorax .
    OUTPUT:
    
No evidence of acute disease .