Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Chest , AP and lateral . There is no significant interval change from the prior study . Again noted is chronic of changes related to COPD with extensive parenchymal scarring and bilateral calcified pleural plaques . Blunting of the bilateral costophrenic angles is also chronic . There is no airspace consolidation . The hilar and cardiomediastinal contours are normal . There is dense calcification of the aortic valve , aortic annulus , and mitral annulus . There is no pneumothorax . Pulmonary vascularity is normal .
    OUTPUT:
    
1 . No evidence of widened mediastinum or other acute cardiopulmonary process . 2 . Chronic lung changes consistent with COPD and extensive calcified pleural plaques .