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. 2020 May 6;10:733. doi: 10.3389/fonc.2020.00733

Figure 3.

Figure 3

Kaplan–Meier survival curve based on the AJCC 6th TNM and AJCC 8th TNM classifications. (A) Kaplan–Meier survival curves based on AJCC 6th TNM classification in the training cohort. (B) Kaplan–Meier survival curves based on AJCC 8th TNM classification in the training cohort. (C) Kaplan–Meier survival curves based on AJCC 6th TNM classification in the validation cohort. (D) Kaplan–Meier survival curves based on AJCC 8th TNM classification in the validation cohort.