Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Redemonstrated is marked dilatation of the ascending and descending thoracic aorta . Moderate cardiomegaly is stable compared to the prior exam . There is no evidence of a pneumothorax or a large pleural effusion . Diffuse reticular interstitial abnormalities suggestive of fibrotic lung disease are seen predominantly at the lung bases bilaterally . No pneumothorax is identified . There may be slight interval improvement of mild pulmonary edema .
    OUTPUT:
    
1 . Slight interval improvement of mild pulmonary edema . 2 . Fibrotic lung disease , which may be secondary to NSIP . 3 . Dilatation of the thoracic aorta .