Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral views of the chest were obtained . The heart is of normal size with normal cardiomediastinal contours . Pulmonary vascular markings are normal . The lungs are hyperinflated with flattened diaphragms , suggestive of COPD . Small biapical scarring is present . The lungs are otherwise clear without focal or diffuse abnormality . No pleural effusion or pneumothorax . Osseous structures are unremarkable . No radiopaque foreign body .
    OUTPUT:
    
No acute cardiopulmonary process . Hyperinflated lungs suggestive of COPD .