Received: 12 September 2020
Accepted: 3 December 2020
First Online: 14 December 2020
Ethics approval and consent to participate
: All analyses involving human participants performed in this study were approved by the Institutional Review Board of the National Cancer Center Hospital (approval number, 2017-091) and were in accordance with the ethical standards of the committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.
: 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 of this journal.
: Dr. Inaba reports personal fees from Boston Scientific Japan, and grants from Elekta K.K., outside the submitted work. Dr. Nakayama reports personal fees from AstraZeneca, outside the submitted work. Dr. Igaki reports personal fees from Itochu, personal fees from ViewRay Inc., grants from HekaBio, outside the submitted work. Dr. Itami reports grants and non-financial support from KeyJ, personal fees from Alpha Tau, personal fees from ItoChu, outside the submitted work.