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Article History

Received: 10 April 2025

Accepted: 14 July 2025

First Online: 31 July 2025

Declarations

:

: This study was approved by the Ethical Committee of Okamoto Thyroid Clinic (Clinical Trial Number: 2024002). In accordance with the ethical guidelines established by the Japanese government (“Ethical Guidelines for Medical and Biological Research Involving Human Subjects”) (), written informed consent was waived based on the opt-out method. Under these guidelines, written informed consent is not required for studies involving retrospective analyses of anonymized patient data, provided that appropriate opt-out procedures are implemented. None of the subjects opted out of participation. This study was conducted in accordance with the principles outlined in the Declaration of Helsinki.

: Not applicable.

: The authors declare no competing interests.