Pathologic M

This input is used for staging

**Distant lymph nodes** Inferior mesenteric lymph nodes Superior mesenteric lymph nodes

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 node(s), NOS Carcinomatosis Distant metastasis WITH or WITHOUT distant lymph node(s) Distant metastasis, NOS Stated as M1
p1	pM1	Distant metastasis	HISTOLOGICALLY confirmed: Distant lymph node(s), NOS Carcinomatosis Distant metastasis WITH or WITHOUT distant lymph node(s) Distant metastasis, NOS
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)