Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral radiographs of the chest were acquired . There is hyperexpansion of the lungs , not significantly changed . The lungs are clear . The heart size is normal . The mediastinal contours are normal . Aortic calcifications are noted . There are no pleural effusions . No pneumothorax is seen . Surgical clips are again noted in the right upper quadrant of the abdomen .
    OUTPUT:
    
No acute cardiac or pulmonary process .