Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: PA AND LATERAL VIEWS OF THE CHEST . The lungs are clear . There is no consolidation , pleural effusion , or pneumothorax . Heart size is normal . The pulmonary vasculature is not congested . Low and flat diaphragms and hyperinflation of the lungs suggests COPD . There is mild dilation and elongation of the aorta with no definite calcifications .
    OUTPUT:
    
1 . No infiltrate . 2 . Lung findings suggesting COPD .