Pathologic M
This input is used for staging
Notes
**Distant lymph nodes** **Primary tumor in either left or right liver** Aortic Para-aortic Periaortic Cardiac Caval Coronary artery Diaphragmatic, NOS Lateral (aortic) (lumbar) Pericardial (pericardiac) Posterior mediastinal (tracheoesophageal) including juxtaphrenic nodes Renal artery Retroperitoneal, NOS **Primary tumor in left liver (segments 2-4) or lobe of liver not stated** Periduodenal Peripancreatic **Primary tumor in right liver (segments 5-8) or lobe of liver not stated** GastrohepaticNAACCR 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: Distant lymph nodes, NOS Distant metastasis WITH or WITHOUT distant lymph node(s) Carcinomatosis Distant metastasis, NOS Stated as M1 |
| p1 | pM1 | Distant metastasis | HISTOLOGICALLY confirmed: Distant lymph nodes, NOS Distant metastasis WITH or WITHOUT distant lymph node(s) Carcinomatosis Distant metastasis, NOS |
| 88 | 88 | Not applicable | Primary site/histology not TNM defined 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) |