Retraction Retraction dated 2026-08-05

Article History

Received: 13 February 2021

Accepted: 14 October 2021

First Online: 29 October 2021

Change Date: 5 August 2026

Change Type: Correction

Change Details: This article has been retracted. Please see the Retraction Notice for more detail:

Change Details: https://doi.org/10.1186/s12885-026-16669-w

Declarations

Ethics approval and consent to participate: This study was approved by the Ethics Committee of Hunan Children’s Hospital (HCHLL-2021-09). The research has been carried out in accordance with the World Medical Association Declaration of Helsinki.

Consent for publication: In this study, paraffin section specimens were collected from children. We have obtained the written informed consent from their parent and/or legal guardian.

Competing interests: The authors declare that they have no competing interest.