Pathologic M
This input is used for staging
Notes
**Note 1:** When both the Federation Internationale de Gynecologie et d'Obstetrique (FIGO) stage and metastatic detail are available, use the metastatic detail in preference to a statement of FIGO stage - see Registrar notes. * If the only information is (pathologic) FIGO III [NOS] or IIIC, assign the appropriate stage and leave pathologic T, N, and M blank **Note 2:** Discontinuous metastasis to any of the following abdominal organs by way of peritoneal seeding or implants is included in the T3 category (FIGO Stage III) and coded in T (primary tumor). * Abdominal mesentery; diaphragm; gallbladder; infracolic omentum; kidneys; large intestine except rectum, rectosigmoid, and sigmoid colon; liver (peritoneal surface); omentum; pancreas; pericolic gutter; peritoneum, NOS; small intestine; spleen; stomach; and ureters outside pelvis **Note 2:** Hematogenous metastases are included in M1 (FIGO Stage IV) diseaseNAACCR Item
NAACCR #900| Pathologic M | Pathologic M Display | Description | Registrar Notes |
|---|---|---|---|
| c0 | cM0 | No distant metastasis | Only information available is FIGO Stage I [NOS], IA, IB, II [NOS], IIA, IIB, IIC, IIIA, or IIIB Unknown; distant metastasis not stated Not documented in patient record |
| c1 | cM1 | Distant metastasis except peritoneal metastasis | CLINICAL assessment only: Distant lymph nodes, NOS Involvement of other organs by peritoneal seeding or implants including: Liver parenchymal metastasis Pleural effusion WITH positive cytology Carcinomatosis Distant metastasis WITH or WITHOUT distant lymph node(s) Distant metastasis, NOS FIGO Stage IV Stated as M1 |
| p1 | pM1 | Distant metastasis except peritoneal metastasis | HISTOLOGICALLY confirmed: Distant lymph nodes, NOS Involvement of other organs by peritoneal seeding or implants including: Liver parenchymal metastasis Pleural effusion WITH positive cytology Carcinomatosis Distant metastasis WITH or WITHOUT distant lymph node(s) Distant metastasis, NOS FIGO Stage IV |
| 88 | 88 | Not applicable | Primary site/histology not TNM defined In situ case but no pTis not is defined by TNM Death certificate only (DCO) case |
| <BLANK> | BLANK | See Registrar Notes | Only information is FIGO Stage III [NOS] or IIIC Pathologic classification 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) |