Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: A portable upright frontal chest radiograph demonstrates normal cardiac size and a tortuous thoracic aorta , with clips along the left mediastinum . The lungs are hyperinflated with chronic appearing changes particularly in the right . There is no pneumothorax . Blunting of the lateral costophrenic angles suggests small pleural effusions , left greater than right .
    OUTPUT:
    
1 . No pneumothorax identified . 2 . Hyperinflated lungs with chronic appearing changes suggesting COPD . 3 . Possible small pleural effusions , left greater than right .