Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are overinflated but clear which likely reflect underlying COPD . The cardiomediastinal silhouette , hilar contours , and pleural surfaces are normal . There is no pleural effusion or pneumothorax . Visualized upper abdomen is unremarkable . There is unchanged severe compression deformity of the T12 vertebral body .
    OUTPUT:
    
No evidence of acute cardiopulmonary process . Overinflation of the lungs likely reflects underlying COPD .