Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are hyperinflated and clear . No pleural effusion or pneumothorax . Heart size , mediastinal contour , and hila are unremarkable .
    OUTPUT:
    
1 . No acute cardiopulmonary process . 2 . Findings suggestive of emphysema and chronic obstructive pulmonary disease .