Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are hyperexpanded with flattening of the hemidiaphragms compatible with COPD . The lungs are clear without focal consolidation concerning for pneumonia , pleural effusion or pneumothorax . The pulmonary vasculature is not engorged . The cardiomediastinal and hilar contours are within normal limits . Multilevel degenerative changes of the thoracic spine are noted .
    OUTPUT:
    
No acute cardiopulmonary process . Evidence of COPD .