Received: 23 June 2020
Accepted: 21 September 2020
First Online: 8 October 2020
Ethics approval and consent to participate
: This study was approved by the Juntendo University ethics committee (JHS 19–018 Juntendo University Hospital Independent Ethics Committee).
: Written informed consent was obtained from the patient for publication of this case report.
: The authors declare that they have no competing interests.