Received: 26 October 2020
Accepted: 3 March 2021
First Online: 11 March 2021
: As this study was a case series without Protected Health Information, ethics approval was not required.
: Written informed consents were obtained from the patients or family of the patient for publication of this Case series and any accompanying images.
: XZ, LS and YS report that they are employees of Burning Rock Biotech. The other authors have no conflicts of interest to declare.