Received: 5 March 2019
Accepted: 3 September 2019
First Online: 12 September 2019
Ethics approval and consent to participate
: Informed consent was obtained from all patients before the diagnostic procedures. The Institutional Review Board of Matsusaka Municipal Hospital approved the study protocol (Approval No.180601–6-5; Date: 2018/6/14), and the study was performed following the Principles of Helsinki Declaration.
: Consent has been obtained for publication of images.
: The authors declare that they have no competing interests.