Clinical N

This input is used for staging


**Note:** Code only regional nodes and nodes, NOS, in this field. Distant nodes are coded in M (distant metastasis). **Regional lymph nodes** Inguinal Deep inguinal, NOS Node of Cloquet or Rosenmuller (highest deep inguinal) Superficial inguinal (femoral) Inguinal node, NOS (unknown if superficial or deep) Pelvic lymph nodes, NOS External iliac Internal iliac (hypogastric) Obturator


Clinical N Clinical N Display Description Registrar Notes
cX cNX Regional lymph nodes cannot be assessed Clinical classification criteria met, evaluation done:
Physician unable to assess N
Regional lymph node involvement cannot be determined or findings inconclusive
Physician assigns cNX, no other information available to determine N
c0 cN0 No palpable or visibly enlarged inguinal lymph nodes No regional lymph node involvement
c1 cN1 Palpable mobile unilateral inguinal lymph node Regional lymph nodes, not stated if single, multiple or bilateral:

SINGLE regional lymph node, NOS
Not stated if single or multiple lymph nodes

Regional lymph nodes, NOS
Lymph nodes, NOS

Stated as N1
c2 cN2 Palpable mobile multiple OR

Bilateral inguinal lymph nodes
MULTIPLE or BILATERAL regional lymph nodes:

Stated as N2
c3 cN3 Fixed inguinal nodal mass OR

Pelvic lymphadenopathy unilateral or bilateral
Stated as N3
88 88 Not applicable Primary site/histology not TNM defined
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 record
Tumor first detected on surgical resection (no clinical workup)
Evidence of metastatic disease [(cM1) or (pM1)], no other workup
Only Clinical Stage Group documented (no T, N, or M information available)