Table 3 Distribution of metastatic lymph nodes
Level | Ipsilateral lymph node metastasis only | Contralateral lymph node metastasis only | Bilateral lymph node metastasis | Total |
|---|---|---|---|---|
No. of patients (%) | No. of patients (%) | No. of patients (%) | No. of patients (%) | |
Ia | 0 (0) | 0 (0) | 0 (0) | 0 (0) |
Ib | 8 (4.5) | 0 (0) | 3 (1.7) | 11 (6.2) |
IIa | 56 (31.8) | 9 (5.1) | 30 (17.0) | 95 (54.0) |
IIb | 70 (39.8) | 7 (4.0) | 68 (38.6) | 145 (82.4) |
III | 68 (38.6) | 5 (2.8) | 22 (12.5) | 95 (54.0) |
IVa | 29 (16.5) | 3 (1.7) | 3 (1.7) | 35 (19.9) |
IVb | 8 (4.5) | 2 (1.1) | 0 (0) | 10 (5.7) |
Va | 44 (25.0) | 6 (3.4) | 6 (3.4) | 56 (31.8) |
Vb | 17 (9.7) | 2 (1.1) | 1 (0.6) | 20 (11.4) |
Vc | 2 (1.1) | 0 (0) | 1 (0.6) | 3 (1.7) |
VI | 0 (0) | 0 (0) | 0 (0) | 0 (0) |
VIIa | 82 (46.6) | 6 (3.4) | 35 (19.9) | 123 (69.9) |
VIIb | 3 (1.7) | 0 (0) | 0 (0) | 3 (1.7) |
VIII | 4 (2.3) | 0 (0) | 0 (0) | 4 (2.3) |
IX | 0 (0) | 0 (0) | 0 (0) | 0 (0) |
Xa | 0 (0) | 0 (0) | 0 (0) | 0 (0) |
Xb | 1 (0.6) | 0 (0) | 0 (0) | 1 (0.6) |