Conflicts of interest

BAP, KMA, SS and PA declare no competing interests.

Ethics approval

Ethical approval was waived by the ethics committee due to the case study design.

Consent to participate

Consent was not required because this study involved no human subject.

Consent for publication

For this type of study, consent for publication is not required.

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 the results/findings and content of this article.