Table 2B. Treatment regimens of N2 and N3 subgroup patients stratified by adjuvant chemotherapy.
| N2 (n = 407) | N3 (n = 140) | |||
|---|---|---|---|---|
| non-AC group (%) (n = 269) |
AC group (%) (n = 138) |
non-AC group (%) (n = 72) |
AC group (%) (n = 68) |
|
| Treatment modality | ||||
| RT alone | 13 (3.2) | 0 | 1 (0.7) | 0 |
| NACT+RT | 50 (12.3) | 0 | 15 (10.7) | 0 |
| CCRT | 23 (5.7) | 0 | 4 (2.9) | 0 |
| NACT +CCRT | 183 (45.0) | 0 | 52 (37.1) | 0 |
| CCRT+AC | 0 | 2 (0.5) | 0 | 1 (0.7) |
| NACT+RT+AC | 0 | 124 (30.5) | 0 | 59 (42.2) |
| NACT+CCRT+AC | 0 | 12 (2.9) | 0 | 8 (5.7) |
| CT Regimen | ||||
| PF | N/A | 57 (41.3) | N/A | 29 (42.7) |
| TPF | N/A | 49 (35.5) | N/A | 13 (19.1) |
| GP | N/A | 32 (23.2) | N/A | 26 (38.2) |
| AC cycles | ||||
| 1 cycle | N/A | 54 (39.1) | N/A | 28 (41.2) |
| 2 cycles | N/A | 37 (26.8) | N/A | 26 (38.2) |
| 3 cycles | N/A | 47 (34.1) | N/A | 14 (20.6) |
Abbreviations: RT = radiotherapy; NACT = neoadjuvant chemotherapy; CCRT = concurrent chemoradiotherapy; AC = adjuvant chemotherapy; CT = chemotherapy.