Received: 26 February 2021
Accepted: 11 May 2021
First Online: 16 June 2021
: This study was conducted with the approval of the Institutional Review Board of the Jikei Medical University Hospital (ethic approval cord 31–390).Written informed consent was obtained from the patient for participation of this study.
: Written informed consent was obtained from the patient for publication of this study and accompanying images.
: The authors declare that they have no competing interests.