| No. of metastatic nodes | Nodal metastatic burden | |
|---|---|---|
| N | ||
| N0 | 0 | NA |
| N1 | 1 | a: Micrometastasis * |
| b: Micrometastasis † | ||
| N2 | 2–3 | a: Micrometastasis * |
| b: Micrometastasis † | ||
| c: In transit metastases/satellites without metastatic nodes | ||
| N3 | 4+ metastatic nodes, or matted nodes, or in transit metastases/satellites with metastatic nodes |
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