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Article History

Received: 6 November 2025

Revised: 5 January 2026

Accepted: 13 January 2026

First Online: 5 February 2026

Declarations

:

: This cadaveric study was approved by the Ethics Committee of Sapporo Medical University on January 25, 2022, August 22, 2022, and August 19, 2024 (Approval Nos. 3–1–61, 4–1–49, and 6–1–39).

: Written informed consent for publication of patient data and images was obtained from the family of each cadaver donated to the body donation program run by Sapporo Medical University for medical and scientific research.

: The authors declare that they have no competing interests.