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Article History

Received: 29 November 2017

Accepted: 21 March 2018

First Online: 2 April 2018

Ethics approval and consent to participate

: The study was approved by the institutional ethics board of Yamanashi Central Hospital.

: Written informed consent was obtained from the patient for publication of this case presentation and 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.

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