Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs appear hyperexpanded . No focal consolidation , pleural effusion or pneumothorax identified . Mild biapical pleural parenchymal thickening . The size the cardiac silhouette is within normal limits . Calcification of the aortic arch is noted .
    OUTPUT:
    
No radiographic evidence of acute cardiopulmonary disease .