Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: The lungs are hyperexpanded , with diffuse hyperlucency and widening of the retrosternal clear space . Questionable opacity is seen in the right superior mediastinum , underlying the sternoclavicular junction . Irregular pleural scarring is noted at the left lung apex . The cardiomediastinal and hilar contours are normal . Probable small hiatal hernia is present . There are no pleural effusions or pneumothorax .
    OUTPUT:
    
1 . COPD . 2 . Questionable opacity in the right lung apex . Recommend repeat PA chest radiograph and apical lordotic view . This was entered into the critical results dashboard .