Pathologic M

This input is used for staging

Notes

**Note:** Involvement of inguinal, pelvic, or external iliac lymph nodes **WITH** previous scrotal or inguinal surgery prior to presentation of the testis tumor is coded in N (regional lymph nodes) and not in M (distant metastasis). **Distant lymph nodes WITHOUT previous scrotal or inguinal surgery or UNKNOWN if previous scrotal or inguinal surgery** External iliac Inguinal nodes, NOS Deep, NOS Node of Cloquet or Rosenmuller (highest deep inguinal) Superficial (femoral) Pelvic, NOS

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:
Note: M1 has subcategories of M1a and M1b. Assign M1 only when there is no information available to assign one of the subcategories

Distant metastasis, NOS

Stated as M1 [NOS]
c1A cM1a Non-regional lymph node(s) or lung metastasis CLINICAL assessment only:
Distant lymph node(s), NOS

Distant metastasis to lung

Stated as M1a
c1B cM1b Distant metastasis other than non-regional lymph nodes and lung CLINICAL assessment only:
Carcinomatosis

Distant metastasis to other distant sites WITH or WITHOUT metastasis to lung
and/or distant lymph node(s)

Stated as M1b
p1 pM1 Distant metastasis HISTOLOGICALLY confirmed:
Note: M1 has subcategories of M1a and M1b. Assign M1 only when there is no information available to assign one of the subcategories

Distant metastasis, NOS
p1A pM1a Non-regional lymph node(s) or lung metastasis HISTOLOGICALLY confirmed:
Distant lymph node(s), NOS

Distant metastasis to lung
p1B pM1b Distant metastasis other than non-regional lymph nodes and lung HISTOLOGICALLY confirmed:
Carcinomatosis

Distant metastasis to other distant sites WITH or WITHOUT metastasis to lung
and/or distant lymph node(s)
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)