Article History
Received: 18 October 2021
Accepted: 16 March 2022
First Online: 9 April 2022
Declarations
:
: The authors declare no conflict of interest. There are no financial conflicts of interest to disclose.
: All data from the SEER database are de-identified prior to publication to the public, so the cases extracted from the SEER database do not contain any personal identifying information and, therefore, no ethical approval is required for this study.