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. 2023 Mar 28;25(5):189. doi: 10.3892/ol.2023.13774

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Copyright: © Li et al.

This is an open access article distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivs License, which permits use and distribution in any medium, provided the original work is properly cited, the use is non-commercial and no modifications or adaptations are made.

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Figure 3. — Study cohort. (A) Overall survival of four subgroups in the 2F group; A group: 15–18 RLNs; B group: 19–22 RLNs; C group: 23–29 RLNs; D group: >29 RLNs. (B) Overall survival of the four subgroups in the 3F group; A group: 17–30 RLNs; B group: 31–37 RLNs; C group: 38–50 RLNs; D group >50 RLNs. RLN, resected lymph node; OS, overall survival; 3F, three-field systematic lymphadenectomy; 2F, two-field systematic lymphadenectomy.