Table 24.
Pathological grading of lymph node metastasis, pN (UICC TNM 7th)
| Lymph node metastasis (Number of metastasis) | Cases (%) |
|---|---|
| pN0 | 2614 (50.5%) |
| pN1(1–2) | 1353 (26.2%) |
| pN2(3–6) | 754 (14.6%) |
| pN3(7-) | 398 (7.7%) |
| pNX | 53 (1.0%) |
| Total | 5172 |
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