Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mild hyperinflation of the lungs is unchanged . There is no focal consolidation . The cardiomediastinal silhouettes , hilar contours , and pleural surfaces are normal . Atherosclerotic calcification of the aortic arch is not significantly changed . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
Mild hyperexpansion of the lungs and calcification of the arch of the aorta is unchanged from the comparison radiograph .