Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Mildly hyperinflated lungs with chronic stable vascular distortion with areas of lucency suggestive of chronic obstructive airways disease . No change in right upper lobe and bibasilar scarring since ___ . Stable mild bibasilar atelectasis . No pneumothorax , pleural effusion or pulmonary edema . Heart size and mediastinal contour are normal . Aortic arch calcifications and tortuous aorta is seen .
    OUTPUT:
    
No radiographic evidence of pulmonary edema , focal pneumonia or pleural effusions .