Received: 26 April 2022
Accepted: 3 November 2022
First Online: 21 November 2022
: Ethical approval for the study was obtained from the Institutional Review Board of Iwata City Hospital. All procedures were conducted in accordance with institutional and national standards for human experimentation, and with the Helsinki Declaration of 1964 and later versions. The Institutional Review Board of Iwata City Hospital waived the requirement for written patient consent for the use of clinicopathological data including MDCT, and all patients agreed to participate through an opt-out approach.
: Not applicable.
: The authors declare that they have no competing interests.