Received: 16 March 2021
Accepted: 16 August 2021
First Online: 26 August 2021
: This study was conducted under the approval of the Ethics Committee of Tsukuba University Hospital.
: Written informed consent was obtained from the patient for publication of this case report and any accompanying images. A copy of the written consent is available for review by the editor of this journal.
: All authors declare that they have no competing interests.