Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The hyperinflated lungs are clear . There is no pulmonary edema . Small pleural effusions are much improved from ___ . There is no pneumothorax . The hilar and cardiomediastinal contours are normal . The calcifications in the aortic arch are stable .
    OUTPUT:
    
1 . Severe emphysema with no evidence of acute pneumonia or CHF exacerbation . 2 . Small bilateral pleural effusions .