Clinical M

This input is used for staging

**Distant lymph nodes** Mediastinal (excluding superior mediastinal nodes)

NAACCR #960

Clinical M	Clinical 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 Carcinomatosis Distant metastasis WITH or WITHOUT distant lymph node(s) Distant metastasis, NOS Stated as M1
p1	pM1	Distant metastasis	HISTOLOGICALLY confirmed: Distant lymph nodes, 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	Clinical classification criteria not met Clinical classification criteria met, evaluation done: No information about diagnostic workup Results not documented in patient record Clinical evaluation of T and N not done, no evidence metastatic disease Tumor first detected on surgical resection (no clinical workup) Only Clinical Stage Group documented (no T, N, or M information available)