Article History
Received: 16 August 2021
Accepted: 4 April 2022
First Online: 20 April 2022
Declarations
:
: The dataset was used with permission from the Data Utilization Committee of the Hospital-based Cancer Registry National Registry (National Cancer Center). Furthermore, the study was approved by the Institutional Review Board of Shinshu University School of Medicine (No.4618).
: Not applicable.
: The authors have no relevant financial or non-financial interests to disclose.