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Article History

Received: 27 February 2022

Accepted: 6 May 2022

First Online: 17 May 2022

Compliance with ethical standards

:

: The authors declare no competing interests.

: All procedures performed in studies involving human participants were in accordance with the ethical standards of the institutional and/or national research committee and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards.

: Informed consent was obtained from each patient and/or legal guardian as applicable before each RET gene test and each operation, all of which represented standard of care.