Received: 6 June 2020
Accepted: 4 August 2020
First Online: 14 August 2020
Ethics approval and consent to participate
: This case report was approved by the institutional review board at the Shizuoka Cancer Center (No. J2020-27-2020-1).
: Informed consent for publication of the patient’s clinical details and clinical images was obtained from the patient.
: The authors declare that they have no competing interests.