Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs appear hyperinflated . No focal consolidation concerning for pneumonia is detected . There is no pleural effusion or pneumothorax . Chronic changes at the right lung apex possibly reflecting scarring are again noted . There is mild central enlargement of the pulmonary arteries . The cardiac silhouette is normal in size . The mediastinal and hilar contours are within normal limits . The trachea is midline .
    OUTPUT:
    
1 . No acute cardiopulmonary process . 2 . Mildly enlarged central pulmonary arteries . 3 . Hyperinflated lungs .