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Kaplan–Meier survival curves for five-year OS stratified by LN categories based on the (A) AJCC 8th N stage, (B) LNR of Rosenberg et al. (C) LNR of Berger et al. (D) LODDS of Wang et al. and (E) LODDS of Persiani et al. (LN, lymph node; AJCC, American Joint Committee on Cancer; LNR, lymph node ratio; LODDS, log odds of positive lymph nodes).
