Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are hyperexpanded , with flattening of the hemidiaphragms . Bibasilar pleural parenchymal scarring persists , with blunting of the costophrenic angles . Mild cardiomegaly persists , with a tortuous aorta . The hila appear prominent , but are stable over multiple prior studies , dating back to at least ___ . No pneumothorax or pneumomediastinum . There is no free air under the diaphragm . Minimal anterior osteophytes are present throughout the thoracic spine .
    OUTPUT:
    
1 . No acute cardiopulmonary process . No significant interval change .