Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are clear without consolidation or edema . There is no pleural effusion or pneumothorax . The lungs are hyperexpanded , consistent with COPD . The cardiomediastinal silhouette is normal . A chronic wedge compression fracture is noted in the mid thoracic spine , unchanged from prior exams .
    OUTPUT:
    
1 . No acute cardiopulmonary process . 2 . Stable mid thoracic compression fracture .