Table 2.
Seven groups stratified differently in the two staging systems
| N0 (0) | N1 (1-2) | N2 (3-6) | N3a (7-15) | N3b (>15) | ||
|---|---|---|---|---|---|---|
| T1 | AJCC7 | IA (n = 230) | IB (n = 43) | IIA (n = 16) | IIB (n = 8) | |
| IGCA | IIB (n = 7) | IIIB (n = 1) | ||||
| T2 | AJCC7 | IB (n = 100) | IIA (n = 44) | IIB (n = 29) | IIIA (n = 24) | |
| IGCA | IIIA (n = 21) | IIIB (n = 3) | ||||
| T3 | AJCC7 | IIA (n = 111) | IIB (n = 51) | IIIA (n = 94) | IIIB (n = 87) | |
| IGCA | IIIB (n = 62) | IIIC (n = 25) | ||||
| T4a | AJCC7 | IIB (n = 98) | IIIA (n = 103) | IIIB (n = 153) | IIIC(n = 317) | |
| IGCA | IIIA (n = 153) | IIIB (n = 207) | IIIC (n = 110) | |||
| T4b | AJCC7 | IIIB (n = 5) | IIIB (n = 2) | IIIC (n = 1) | IIIC (n = 10) | |
| IGCA | IIIA (n = 5) | IIIB (n = 1) | IIIC(n = 6) | IIIC (n = 4) | ||