Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are markedly hyperinflated with associated flattening of the hemidiaphragms . The lungs are clear . The hilar and cardiomediastinal contours are normal in appearance . There is no pneumothorax or pleural effusion . The pulmonary vascular markings are normal . No obvious skeletal abnormalities are detected .
    OUTPUT:
    
1 . Findings suggestive of COPD . 2 . No radiographic cause for the patient 's anterior chest pain identified .