Pathologic M
This input is used for staging
Notes
**Distant lymph nodes** Aortic, NOS Lateral (lumbar) Para-aortic Periaortic Cervical Common iliac Inguinal, NOS Deep, NOS Node of Cloquet or Rosenmuller (highest deep inguinal) Superficial (femoral) Retroperitoneal, NOS Scalene (inferior deep cervical) Supraclavicular (transverse cervical)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 metastasis, NOS Stated as M1 [NOS] |
| c1A | cM1a | Non-regional lymph node(s) | CLINICAL assessment only: Distant lymph node(s): Aortic, NOS: Lateral (lumbar) Para-aortic Periaortic Cervical Common iliac Inguinal, NOS: Deep, NOS: Node of Cloquet or Rosenmuller (highest deep inguinal) Superficial (femoral) Retroperitoneal, NOS Scalene (inferior deep cervical) Supraclavicular (transverse cervical) Distant lymph node(s), NOS Stated as M1a |
| c1B | cM1b | Bone(s) | CLINICAL assessment only: Metastasis in bone(s) WITH or WITHOUT distant lymph node(s) Stated as M1b |
| c1C | cM1c | Other site(s) | CLINICAL assessment only: Distant metastasis, other than distant lymph nodes or bone(s) Carcinomatosis Distant metastasis WITH or WITHOUT distant lymph nodes and/or bone(s) 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 metastasis, NOS |
| p1A | pM1a | Non-regional lymph node(s) | HISTOLOGICALLY confirmed: Distant lymph node(s): Aortic, NOS: Lateral (lumbar) Para-aortic Periaortic Cervical Common iliac Inguinal, NOS: Deep, NOS: Node of Cloquet or Rosenmuller (highest deep inguinal) Superficial (femoral) Retroperitoneal, NOS Scalene (inferior deep cervical) Supraclavicular (transverse cervical) Distant lymph node(s), NOS |
| p1B | pM1b | Bone(s) | HISTOLOGICALLY confirmed: Metastasis in bone(s) WITH or WITHOUT distant lymph node(s) |
| p1C | pM1c | Other site(s) | HISTOLOGICALLY confirmed: Distant metastasis, other than distant lymph nodes or bone(s) Carcinomatosis Distant metastasis WITH or WITHOUT distant lymph nodes and/or bone(s) |
| 88 | 88 | Not applicable | Primary site/histology not TNM defined 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) |