Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Upright AP and lateral radiographs of the chest . The lungs are hyperinflated , with evidence of parenchymal scarring . ? large bulla posteriorly on the lateral view versus artifact due to atelectasis . No chf , focal infiltrate or gross effusion is identified . Minimal blunting of both costphrenic angles present . There is no pneumothorax . There is mild cardiomegaly , with a left ventricular configuration and slight aortic unfolding . An incomplete azygos fissure is noted in the right lung apex .
    OUTPUT:
    
1 . No acute cardiopulmonary process . 2 . Hyperinflated lungs , suggestive of COPD .