Collaborative Stage for TNM 7 - Revised 06/30/2011 [ Schema ]
| Regional Nodes Positive | CS SSF 2 000 | CS SSF 2 100 | CS SSF 2 200 | CS SSF 2 400 | CS SSF 2 888 | CS SSF 2 988 | CS SSF 2 999 |
| 00-00 | N1 | N1 | N2 | N1 | ERROR | ERROR | N1 |
| 01-03 | N1 | N1 | N2 | N1 | ERROR | ERROR | N1 |
| 04-90 | N2 | N2 | N2 | N2 | ERROR | ERROR | N2 |
| 95-97 | N1 | N1 | N2 | N1 | ERROR | ERROR | N1 |
| 98-99 | N1 | N1 | N2 | N1 | ERROR | ERROR | N1 |