Article History
Received: 2 November 2021
Accepted: 2 August 2022
First Online: 17 August 2022
Declarations
:
: This study was approved by the Institutional Ethics Review Board of West China Hospital, Sichuan University.
: The patient gave his written consent for information about himself to be published in BMC Gastroenterology.
: The authors declare that they have no competing interests.