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. 2026 Feb 27;15(3):69. doi: 10.21037/tp-2025-1-871

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Open Access Statement: This is an Open Access article distributed in accordance with the Creative Commons Attribution-NonCommercial-NoDerivs 4.0 International License (CC BY-NC-ND 4.0), which permits the non-commercial replication and distribution of the article with the strict proviso that no changes or edits are made and the original work is properly cited (including links to both the formal publication through the relevant DOI and the license). See: https://creativecommons.org/licenses/by-nc-nd/4.0.

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Lymph node metastasis was significantly associated with postoperative recurrence. (A) Recurrence-free survival curve of patients with or without lymph node metastasis. (B) Recurrence-free survival curve of patients with different number of lymph node metastases. (C) Recurrence-free survival curve of patients with central or lateral lymph node metastases. **, P<0.01; ***, P<0.001.