흉부X선을 추적 관찰하여 종격동 기종 양의 증가여부를 확인하였고 증상, 흉부X선 호전 보여 입원 3일째 퇴원하였다.
The chest X-ray was monitored to see if the amount of the pneumomediastinum increased, and he was discharged from the hospital on the third day due to symptoms and chest X-ray improvement.