Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are overinflated with flattening of the hemidiaphragms , increased anteroposterior diameter , and widening of the retrosternal clear space . Heart size is normal . There are no pleural effusions or pneumothorax . Multilevel bridging osteophytes in the lower thoracic spine .
    OUTPUT:
    
No acute cardiopulmonary process . Chronic obstructive airways disease .