Collaborative Stage Data Set - Revised 08/07/2013 FINAL
| Code | Description | TNM 7 Map | TNM 6 Map | SS77 Map | SS2000 Map |
| 000 | No regional lymph node involvement | N0 | NA | NONE | NONE |
| 100 | OBSOLETE DATA RETAINED AND REVIEWED V0203 See codes 105 and 300 Regional lymph node(s): Retroperitoneal, NOS Regional lymph node(s), NOS Stated as N1 with no other information on regional lymph nodes | N1 | NA | RN | RN |
| 105 | Regional lymph node(s): Aortic, NOS: Para-aortic Periaortic Retroperitoneal, NOS Regional lymph node(s), NOS | N1 | NA | RN | RN |
| 110 | Regional lymph node(s): Pericaval, NOS: Paracaval Precaval Retrocaval | N1 | NA | D | RN |
| 200 | OBSOLETE DATA CONVERTED V0203 See code 105 Regional lymph node(s): Aortic Paraaortic Periaortic | ERROR | ERROR | ERROR | ERROR |
| 300 | Stated as N1 with no other information on regional lymph nodes | N1 | NA | RN | RN |
| 800 | Lymph nodes, NOS | N1 | NA | RN | RN |
| 999 | Unknown; regional lymph nodes not stated Regional lymph nodes cannot be assessed Not documented in patient record | NX | NA | U | U |