Clinical N

This input is used for staging

Notes

**Note 1:** Code only regional nodes and nodes, NOS, in this field. Distant nodes are coded in M (distant metastasis). **Note 2:** Regional nodes include unilateral, bilateral or contralateral involvement of named node(s). **Regional lymph nodes** Aortic, NOS Lateral (lumbar) Para-aortic Periaortic Preaortic Retroaortic Interaortocaval Pericaval, NOS Paracaval Precaval Retrocaval Renal hilar Retroperitoneal, NOS **Note 3:** N1 includes single and multiple regional node(s).

NAACCR Item

NAACCR #950
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 regional lymph node metastasis
c1 cN1 Regional lymph node metastasis^ Single or multiple lymph node(s)

Regional lymph nodes, NOS
Lymph nodes, NOS

Stated as N1
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 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)
^ Definition from the updated pages from [TNM Classification of Malignant Tumours, Seventh edition](http://www.wileyanduicc.com/pdf/Corrected_pages.pdf)