Fig. 2From: 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 substages of pTNM (a, c) and pTN’M (b, d) for the Limited and Adequate sets of the Chinese (a, b) and SEER (c, d) datasets. pTNM pathological tumor-node-metastasis classification, pTN’M pathological tumor-modified node-metastasis classificationBack to article page