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	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	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)