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In accordance with the relevant national regulations and the research policy of our institution (Yunnan First People\u2019s Hospital Affiliated to Kunming University of Science and Technology), retrospective case reports that only summarize and analyze existing anonymized data without involving new interventions are exempt from the requirement of separate ethics committee approval. Therefore, an ethics approval number is not applicable to this study. We confirm that prior to drafting this case report, we have obtained the patient\u2019s voluntary written informed consent for participation.","order":2,"name":"Ethics","group":{"name":"EthicsHeading","label":"Ethics approval and consent to participate"}},{"value":"We confirm that prior to drafting this case report, we have obtained the patient\u2019s voluntary written informed consent for publication.","order":3,"name":"Ethics","group":{"name":"EthicsHeading","label":"Consent for publication"}},{"value":"The authors declare no competing interests.","order":4,"name":"Ethics","group":{"name":"EthicsHeading","label":"Competing interests"}}],"article-number":"203"}}