Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are hyperexpanded , with biapical hyperlucency , flattening of the diaphragm , and widening of the retrosternal clear space . There is chronic volume loss in the right upper lobe , with irregular pleural thickening and superior retraction of the minor fissure . There are no pleural effusions , pneumothorax , or pneumomediastinum . Moderate cardiomegaly is unchanged . The aorta is tortuous and calcified .
    OUTPUT:
    
Chronic obstructive airways disease . Moderate cardiomegaly .