Pathologic M

This input is used for staging

Notes

**Distant lymph nodes** Common iliac External iliac Superior mesenteric **Distant lymph nodes for rectosigmoid (C199)** Hemorrhoidal, inferior Internal iliac (hypogastric), NOS Obturator Rectal, inferior **Distant lymph nodes for rectum (C209)** Left colic **Distant metastasis** Ovary(ies) **Distant metastasis for rectosigmoid (C199)** Skeletal muscles of pelvic floor Vagina **Distant metastasis for rectum (C209)** Cervix Perineum, perianal skin Sacrum Sacral plexus

NAACCR 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 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

Stated as M1
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)