Fig. 3From: Prognostic value of lymph node density on cancer staging system for gastric cancer without distal metastasis: a population-based analysis of SEER databaseStratified effect analysis of LND in positive N stages. Kaplan–Meier survival curves of cancer-specific survival in N1 (A), N2 (C), and N3 (E) subgroups. Kaplan–Meier survival curves of overall survival in N1 (B), N2 (D), and N3 (F) subgroupsBack to article page