Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Lung volumes are increased , likely due to clinically suspected COPD . Heart size , mediastinal and hilar contours are normal . Possible mild bronchial wall thickening is seen in the perihilar regions , best visualized on the lateral view . No pleural effusion . Bones are demineralized , and note is made of scoliosis and degenerative changes in the spine .
    OUTPUT:
    
1 . Overinflated lungs and bronchial wall thickening , findings which could be due to chronic bronchitis in the setting of a history of smoking and chronic cough . 2 . No acute pulmonary abnormality .