Competing interests

All authors have completed the ICMJE uniform disclosure form at http://www.icmje.org/disclosure-of-interest/ and declare: no support from any organization for the submitted work.

Ethical approval and consent to participate

All subjects gave their informed consent for inclusion before they participated in the study. The study was conducted in accordance with the Declaration of Helsinki of 1975, as revised in 2000 and 2008 concerning human and animal rights and the authors followed the policy concerning informed consent as shown on Springer.com.

Consent for publication

An informed written consent was obtained from the patient after full explanation regarding his images being published for academic interest. The patient did not have any objection regarding use of his images and gave due permission to use them.

Disclaimer

The authors are solely responsible for the data and the contents of the paper. In no way the Honorary Editor-in-Chief, Editorial Board Members, the Indian Society of Gastroenterology or the printer/publishers are responsible for this article’s results/findings and content.