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Table 1 Lymph node grouping for gastric cancer patients by anatomic location of tumor according to the 13th edition of the JCGC and clinical practices in our center

From: Retrieved lymph nodes from different anatomic groups in gastric cancer: a proposed optimal number, comparison with other nodal classification strategies and its impact on prognosis

LN station Grouping of the perigastric LNs
Overall Distal Middle Upper
No. 1 Group 1 Group 2 Group 1 Group 1
No. 2 Group 1 Distant metastasis Group 1 Group 1
No. 3 Group 1 Group 1 Group 1 Group 1
No. 4 Group 1 Group 1 Group 1 Group 1
No. 5 Group 1 Group 1 Group 1 Distant metastasis
No. 6 Group 1 Group 1 Group 1 Distant metastasis
No. 7 Group 2 Group 2 Group 2 Group 2
No. 8 Group 2 Group 2 Group 2 Group 2
No. 9 Group 2 Group 2 Group 2 Group 2
No. 10 Group 2 Distant metastasis Group 2 Group 2
No. 11 Group 2 Group 2 Group 2 Group 2
No. 12 Group 2 Group 2 Group 2 Group 3
No. 13a Group 3 Group 3 Group 3 Distant metastasis
  1. Group 1 and 2 LNs were classified according to the 13th edition of the Japanese Classification of Gastric Carcinoma
  2. LN lymph node, JCGC Japanese Classification of Gastric Carcinoma
  3. aLNs beyond No. 13 station were all defined as Group 3 LNs or distant metastasis