Received: 7 July 2019
Accepted: 5 September 2019
First Online: 12 September 2019
Ethics approval and consent to participate
: Our study was carried out according to the ethical guidelines of the Declaration of Helsinki. It was approved by the institutional review board of Kanagawa Cancer Center.
: Written informed consent was obtained from the patients for the publication of this case report and any accompanying images. A copy of the consent form is available for review by the Editor of this journal.
: The authors declare that they have no competing interests.