Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Hyperinflation of the lungs ia unchanged . Fibrotic changes at both lung bases are stable . The descending aorta remains markedly tortuous and aneurysmal , particularly at the diaphragmatic hiatus . There are no new abnormal cardiac and mediastinal contours . There is no new consolidation , effusion , or pneumothorax .
    OUTPUT:
    
Stable hyperinflation , compatible with COPD . Stable thoracic aorta tortuosity .