Fig. 2From: Retrieved lymph nodes from different anatomic groups in gastric cancer: a proposed optimal number, comparison with other nodal classification strategies and its impact on prognosisCalculation of the investigated patients using the optimal obtained cut-off values of retrieved Group 1 (a) and Group 2 (b) LNs using the X-tile software. (The scale refers to χ2 log-rank values.) LNs lymph nodesBack to article page