Text and Data Mining valid from 2018-08-13
Received: 23 March 2018
Accepted: 30 July 2018
First Online: 13 August 2018
Ethics approval and consent to participate
: The present study was approved by the Human Ethics Committee of Shandong Cancer Hospital Affiliated to Shandong University.
: Written informed consent was obtained from the patient for publication of this study and any accompanying images. A copy of the consent form is available for review by the Editor of this journal.
: The authors declare that they have no competing interests.
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