Received: 14 January 2020
Accepted: 7 July 2020
First Online: 6 August 2020
Ethics approval and consent to participate
: This case study was approved by the Ethics Committee of Osaka Medical College.
: Written informed consent was obtained from the patients for publication of this case report and any accompanying images. A copy of the written consent is available for review by the Editor-in-Chief of this journal.
: The authors declare that they have no competing interests.