Summarize the radiology report findings into an impression within 3 sentences.
    INPUT: Frontal and lateral radiographs of the chest were acquired . There is a moderate right pneumothorax , and substantial upper pneumomediastinum and subcutaneous emphysema in the neck and upper chest wall , likely not significantly changed compared to the prior CT from ___ , allowing for differences in modality . There is no significant shift of the mediastinal structures to suggest tension physiology . There is minimal bilateral lower lung atelectasis . The heart is normal in size . A small right pleural effusion was better seen on the prior CT . There is no left pleural effusion . Extensive subcutaneous air is seen along the right chest wall and left cervical region , as seen on prior CT .
    OUTPUT:
    
1 . Moderate right pneumothorax , likely similar in size compared to the prior CT from ___ . 2 . Pneumomediastinum , subcutaneous emphysema upper chest wall and neck .