Received: 6 November 2018
Accepted: 12 April 2019
First Online: 30 April 2019
Ethics approval and consent to participate
: This retrospective study was approved by Institutional Scientific Committee and accepted by Ethical Committee (n° DSC-1398/18) of National Tumor Institute INT-IRCCS “Fondazione G. Pascale” (Naples, Italy). Every surgical procedure was performed after obtaining written informed consent, signed by the patient.
: Not applicable.
: The authors performed all the work by themselves. The authors declare they have no competing interests nor conflicts of interests.
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