Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Heart size is top - normal . The cardiomediastinal silhouette is unremarkable with the exception of mild tortuosity of the thoracic aorta . Hilar contours are normal . There is no evidence of interstitial edema . The lungs are mildly hyperinflated suggestive of COPD but are otherwise clear . There is no pleural effusion or pneumothorax .
    OUTPUT:
    
No acute cardiopulmonary process specifically no evidence of interstitial edema . Mild hyperinflation suggestive of COPD .