Received: 26 March 2021
Accepted: 1 June 2021
First Online: 27 June 2021
: Ethical approval was waived by the ethical committee of Saitama Medical University, Saitama Medical Center.
: Written informed consent was obtained from the patient to publish this case report and any accompanying images. A copy of the written consent is available for review from the Editor-in-Chief of this journal.
: HH, YT, KS, YG, TN, SI, YI, YO, SM, MS, and HS declare that they have no conflicts of interest.