Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: There has been little interval change in comparison to prior study . Bi-apical scarring is again noted . Otherwise , no chf , consolidation , effusion , or pneumothorax . Heart size is borderline and the is slight unfolding of the aorta . Possibel background hyperinflation .
    OUTPUT:
    
No acute pulmonary process identified .