Fig. 1

Kaplan-Meier estimates of CSS (A, B, C) and OS (D, E, F) for training cohort according to NPLN, LODDS, and LNR. CSS, cancer-specific survival; OS, overall survival; AC, adenocarcinoma; NPLN, number of positive lymph nodes; LODDS, log odds of positive lymph nodes; LNR, lymph node ratio