Received: 25 October 2021
Accepted: 4 January 2022
First Online: 23 February 2022
: The study complied with the Declaration of Helsinki and was approved by the ethics committee of West China Hospital. All patients provided written informed consent.
: Because the images provided did not compromise anonymity, a statement of consent to publish from the patient was not required.
: The authors declare that they have no competing interests.