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 hyperinflated , consistent with a history of COPD . Enlargement of the cardiac silouhette is stable . Atherosclerotic calcifications are noted in the aortic arch . An implanted AICD is unchanged in position . A compression deformity in the lower thoracic spine is also unchanged in appearance . No new compression deformities are noted .
    OUTPUT:
    
1 . No acute cardiopulmonary process . 2 . Stable hyperinflation , consistent with COPD .