Received: 23 June 2017
Accepted: 29 March 2018
First Online: 7 April 2018
Ethics approval and consent to participate
: This report was approved by the institutional review board of National Cancer Center Hospital Japan. The patient provided written informed consent.
: 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.
: Yutaka Fujiwara is a member of the editorial board (associate editor) of BMC Cancer.
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