Pathologic M
This input is used for staging
NAACCR Item
NAACCR #900| Pathologic M | Pathologic M Display | Description | Registrar Notes |
|---|---|---|---|
| c0 | cM0 | No distant metastasis | Unknown; distant metastasis not stated Distant metastasis cannot be assessed Not documented in patient record |
| c1 | cM1 | Distant metastasis | CLINICAL assessment only: Note: M1 has subcategories of M1a, M1b and M1c. Assign M1 only when there is no information available to assign one of the subcategories. Distant lymph nodes, NOS Distant metastasis WITH or WITHOUT distant lymph node(s) Distant metastasis, NOS Size of metastasis not known or stated Stated as M1 [NOS] |
| c1A | cM1a | Not defined by UICC* | CLINICAL assessment only: Largest diameter of the largest metastasis 3 cm or less Stated as M1a |
| c1B | cM1b | Not defined by UICC* | CLINICAL assessment only: Largest diameter of the largest metastasis 3.1 - 8.0 cm Stated as M1b |
| c1C | cM1c | Not defined by UICC* | CLINICAL assessment only: Largest diameter of the largest metastasis greater than 8 cm Stated as M1c |
| p1 | pM1 | Distant metastasis | HISTOLOGICALLY confirmed: Note: M1 has subcategories of M1a, M1b and M1c. Assign M1 only when there is no information available to assign one of the subcategories. Distant lymph nodes, NOS Distant metastasis WITH or WITHOUT distant lymph node(s) Distant metastasis, NOS Size of metastasis not known or stated |
| p1A | pM1a | Not defined by UICC* | HISTOLOGICALLY confirmed: Largest diameter of the largest metastasis 3 cm or less |
| p1B | pM1b | Not defined by UICC* | HISTOLOGICALLY confirmed: Largest diameter of the largest metastasis 3.1 - 8.0 cm |
| p1C | pM1c | Not defined by UICC* | HISTOLOGICALLY confirmed: Largest diameter of the largest metastasis greater than 8 cm |
| 88 | 88 | Not applicable | In situ case but no pTis is defined by TNM Death certificate only (DCO) case |
| <BLANK> | BLANK | See Registrar Notes | Pathologic classification criteria not met No pathologic workup for T and N categories and no pathologic evidence of metastasis Only Pathologic Stage Group documented (no T, N, or M information available) |