Funding for this research was provided by:
Japan Society for the Promotion of Science (20K18232)
Japan Agency for Medical Research and Development (16kk0205006)
Received: 7 April 2020
Accepted: 7 May 2020
First Online: 28 May 2020
Ethics approval and consent to participate
: Acquisition of tissue specimens and genomic analyses were approved by the Ethics Committee of Keio University, Tokyo, Japan.
: Written informed consent was obtained from the patients for publication of this report and accompanying images. A copy of the written consent is available for review by the editor of this journal.
: The authors declare that they have no competing interests.