Fig. 1From: Standardizing the classification of gastric cancer patients with limited and adequate number of retrieved lymph nodes: an externally validated approach using real-world dataGraphical illustration showing the statistical differences between the overall survival of the different subgroups of pN (a, c) and pN’ (b, d) for the Limited and Adequate sets of the Chinese (a, b) and SEER (c, d) datasets. pN pathological nodal classification, pN’ modified pathological nodal classificationBack to article page