Received: 15 March 2021
Accepted: 10 May 2021
First Online: 17 May 2021
: The study protocol and access to patient records were approved by the Institutional Review Board of Seoul National University (S-D20200022).
: Written informed consent was obtained from the patient for publication of this case report and accompanying images
: We, the authors of this article, have no conflicts of interest to declare.