Pathologic 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:** For head, neck, and trunk primaries only, regional lymph nodes include bilateral or contralateral nodes. **Regional lymph nodes by primary site** **Head and Neck (C470, C490)** Cervical Lip Facial, NOS Buccinator (buccal) Nasolabial Mandibular Submandibular (submaxillary) Submental Parotid, NOS Infra-auricular Preauricular Eyelid/canthus Facial, NOS Buccinator (buccal) Nasolabial Mandibular Submandibular (submaxillary) Submental Parotid, NOS Infra-auricular External ear and auditory canal: Mastoid (posterior, retro-auricular) (occipital) Preauricular Face, Other (cheek, chin, forehead, jaw, nose, and temple): Facial, NOS Buccinator (buccal) Nasolabial Mandibular Submandibular (submaxillary) Submental Parotid, NOS Infra-auricular Preauricular Scalp Mastoid (posterior, retro-auricular) (occipital) Parotid, NOS Infra-auricular Preauricular Spinal accessory (posterior cervical) Neck Axillary Mastoid (posterior, retro-auricular) (occipital) Mandibular Parotid, NOS Infra-auricular Preauricular Spinal accessory (posterior cervical) Submental Supraclavicular (transverse cervical) **Upper limb and shoulder (C471, C491)** Axillary Spinal accessory for shoulder Epitrochlear for hand/forearm **Lower limb and hip (C472, C492)** Femoral (superficial inguinal) Popliteal for heel and calf **Thorax (C473, C493)** Hilar (bronchopulmonary) (proximal lobar) (pulmonary root) Mediastinal **Abdomen (C474, C494)** Celiac Iliac Para-aortic **Pelvis (C475, C495)** Deep inguinal, NOS Rosenmuller or Cloquet node Superficial inguinal (femoral) **Trunk (C476, C496)** Axillary Cervical Internal mammary Supraclavicular (transverse cervical) Superficial inguinal (femoral)

NAACCR Item

NAACCR #890
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 metastasis
p1 pN1 Regional lymph node metastasis Regional lymph nodes, NOS
Lymph nodes, NOS

Stated as N1
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)