Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are hyperinflated and clear . Emphysematous changes are noted throughout the lungs . There is no pleural effusion or pneumothorax . The cardiomediastinal silhouette is unremarkable . Kyphosis of the thoracic spine is noted .
    OUTPUT:
    
No acute cardiopulmonary process .