Organization | Field Name | ID | Required |
---|---|---|---|
KCR | pTNM Stage Group (PStageGroup) | 31040 | yes |
NAACCR | TNM Path Stage Group | yes |
Field Length: 4
This field identifies the anatomic extent of disease based on the T, N, and M elements known following the completion of surgical therapy. Code the pathologic TNM stage grouping from the pTNM classification in items 31010-31030, using the AJCC Cancer Staging Manual. Record '88' if the site/histology does not have a TNM staging scheme. Choose the lower (less advanced) stage grouping when there is any uncertainty.
Note: For diagnoses prior to 2004, this field was used to calculate Best Stage Group. It becomes the Best Stage, unless the value is '88' or '99,’ or pre-surgical treatment was administered. After 2004, the CS derived AJCC 6th edition stage group is the Best Stage Group.
Code | Definition | Code | Definition |
---|---|---|---|
0 | Stage 0 | 2B | Stage IIB |
0A | Stage 0A | 2C | Stage IIC |
0IS | Stage 0is | 3 | Stage III |
1 | Stage I | 3A | Stage IIIA |
1A | Stage IA | 3B | Stage IIIB |
1A1 | Stage IA1 | 3C | Stage IIIC |
1A2 | Stage IA2 | 3C1 | Stage IIIC1 |
1B | Stage IB | 3C2 | Stage IIIC2 |
1B1 | Stage IB1 | 4 | Stage IV |
1B2 | Stage IB2 | 4A | Stage IVA |
1C | Stage IC | 4A1 | Stage IVA1 |
1S | Stage IS | 4A2 | Stage IVA2 |
2 | Stage II | 4B | Stage IVB |
2A | Stage IIA | 4C | Stage IVC |
2A1 | Stage IIA1 | OC | Occult |
2A2 | Stage IIA2 | 88 | Not applicable |
99 | Unknown |