Received: 26 March 2020
Accepted: 1 September 2020
First Online: 20 October 2020
Ethics approval and consent to participate
: Written consent was taken before operation in all cases. Owing to the retrospective nature of the study, an IRB number was not required, and the study was approved through expedited review by the scientific/ethical committee of the surgery department (Faculty of Medicine, Ain Shams University).
: Patient identity did not appear in any part of the manuscript; therefore, consent for publication was not required.