Zekri, Wael
Yacoub, Dalia M.
Ibrahim, Asmaa
Madney, Youssef
Article History
Received: 15 October 2019
Accepted: 7 April 2020
First Online: 1 May 2020
Ethics approval and consent to participate
: The Institutional Review Board (IRB) at the National Cancer Institute, Cairo University, has approved the waiver of patient consent form because of the retrospective nature of the study which used archived data and did not affect patient well-being in any way. The reference number is not applicable.
: Not applicable.
: The authors declare that they have no conflict of interest.