Table 3 rN staging for gastric cancer patients after radical gastrectomy according to the numbers of retrieved Group 1 and 2 LNs
8th UICC/AJCC N stage/(no. of patients) | Examined LNs/(no. of patients) | |
|---|---|---|
Group 1 > 13 or Group 2 > 9 (Subgroup 1) | Group 1 ≤ 13 and Group 2 ≤ 9 (Subgroup 2) | |
N0 (n = 812) | rN0 (n = 505) | rN1 (n = 307) |
N1 (n = 331) | rN1 (n = 206) | rN2 (n = 125) |
N2 (n = 294) | rN2 (n = 185) | rN3 (n = 109) |
N3a (n = 212) | rN3 (n = 178) | rN3 (n = 34) |
N3b (n = 81) | rN4 (n = 81) | rN4 (n = 0) |