Received: 29 August 2020
Accepted: 5 March 2021
First Online: 12 March 2021
: Even though it is a retrospective study and Ethics committee approval is not mandatory for our country, Institutional review board approval (Ethics committee, Apollo Hospital, Guwahati, India) was taken before this study, keeping in mind the requirements of international journals. The committee’s reference number is 001/2020. Also, informed consent from all the patients concerned was taken in prescribed format before surgery for publication purpose.
: Written and informed consent for publication is taken from the individual patients from whom the images are taken and used in this article.
: The authors declare that they have no competing interests.