| Permitted value | Language | Designation | Definition |
|---|---|---|---|
| Regional lymph nodes - NX | EN | NX | Regional lymph nodes - NX |
| Regional lymph nodes - N0 | EN | N0 | Regional lymph nodes - N0 |
| Regional lymph nodes - N1 | EN | N1 | Regional lymph nodes - N1 |
| Regional lymph nodes - N1a | EN | N1a | Regional lymph nodes - N1a |
| Regional lymph nodes - N1b | EN | N1b | Regional lymph nodes - N1b |
| Regional lymph nodes - N1c | EN | N1c | Regional lymph nodes - N1c |
| Regional lymph nodes - N2 | EN | N2 | Regional lymph nodes - N2 |
| Regional lymph nodes - N2a | EN | N2a | Regional lymph nodes - N2a |
| Regional lymph nodes - N2b | EN | N2b | Regional lymph nodes - N2b |