Pathologic N

This input is used for staging


**Regional lymph nodes** Cervical, NOS Submandibular (submaxillary) Parotid, NOS Infra-auricular Preauricular


Pathologic N Pathologic N Display Description Registrar Notes
pX pNX Regional lymph nodes cannot be assessed Pathologic classification criteria met, evaluation done:
Physician unable to assess N
Surgical resection primary tumor, no regional lymph nodes removed
Involvement of regional lymph nodes not documented
Physician assigns pNX, no other information available to determine N
p0 pN0 No regional lymph node involvement
p1 pN1 Regional lymph node involvement (preauricular, cervical) Regional lymph nodes, NOS
Lymph nodes, NOS

Stated as N1
p2 pN2 Distant lymph node involvement Distant lymph node involvement

Stated as N2
c0 cN0 Clinically: No regional lymph node metastasis Use only for TNM defined pTis cases where there is a resection of the primary and the nodes are not evaluated pathologically
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 surgical resection of primary tumor and there isn’t a positive biopsy of a structure in the highest T category and highest N category
Evidence of metastatic disease (pM1), no other workup
Only Pathologic Stage Group documented (no T, N, or M information available)