Fig. 4From: Retrieved lymph nodes from different anatomic groups in gastric cancer: a proposed optimal number, comparison with other nodal classification strategies and its impact on prognosisKaplan–Meier OS curves of gastric cancer patients at different N stages stratified according to the number of retrieved LNs from different locations. a pN0 stage; b pN1 stage; c pN2 stage; d pN3a stage; e pN3b stage. OS overall survival, LNs lymph nodes, pN pathological lymph node classificationBack to article page