Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are hyperinflated . The heart size is normal . The aortic knob is calcified . The mediastinal and hilar contours are unchanged . The lungs are clear without focal consolidation . No pleural effusion or pneumothorax is detected . There are multiple wedge compression deformities of the thoracic spine , unchanged compared to the prior exam .
    OUTPUT:
    
No acute cardiopulmonary abnormality . COPD .