Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral radiographs of the chest were acquired . Hyperinflation of both lungs is not significantly changed . The lungs are clear . Tortuosity of the thoracic aorta is not significantly changed . The heart size is mildly enlarged . There are no pleural effusions . No pneumothorax is seen .
    OUTPUT:
    
No acute cardiac or pulmonary process .