Funding for this research was provided by:
Japan Society for the Promotion of Science (20K17803, 18K08809)
Received: 29 October 2020
Accepted: 6 May 2021
First Online: 5 June 2021
: Not applicable.
: Informed consent for publication of this report was obtained from the patient using a form approved by the ethics committee of Saitama Cancer Center. 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-in-Chief of this journal.
: The authors declare that they have no competing interests.