EOD Regional Nodes
Notes
**Note 1:** Code only regional nodes and nodes, NOS, in this field. Distant nodes are coded in EOD Mets.
**Note 2:** Regional lymph nodes include
Iliac, NOS
External
Internal (hypogastric, obturator)
Inguinal, NOS
Node of Cloquet or Rosenmuller (highest deep inguinal)
Superficial [femoral]
Pelvic, NOS
| Code |
Description |
SS2018 N |
| 000 |
No regional lymph node involvement |
NONE |
| 100 |
CLINICAL ONLY
Palpable mobile unilateral inguinal lymph node |
RN |
| 200 |
CLINICAL ONLY
Palpable mobile greater than or equal to 2 unilateral inguinal nodes
Bilateral inguinal lymph nodes |
RN |
| 300 |
CLINICAL ONLY
Palpable fixed inguinal nodal mass
Pelvic lymphadenopathy (unilateral or bilateral) |
RN |
| 400 |
PATHOLOGICAL ONLY
Positive inguinal lymph nodes WITHOUT extranodal extension |
RN |
| 500 |
PATHOLOGICAL ONLY
Extranodal extension of any lymph nodes
OR pelvic lymph node metastases |
RN |
| 800 |
Regional lymph node(s), NOS
Lymph node(s), NOS |
RN |
| 999 |
Unknown; regional lymph node(s) not stated
Regional lymph node(s) cannot be assessed
Not documented in patient record
Death Certificate Only |
U |
(1) Fritz AG, Ries LAG (eds). **SEER Extent of Disease 1988: Codes and Coding Instructions (3rd Edition, 1998)**, National Cancer Institute, NIH Pub. No. 98-2313, Bethesda, MD, 1998
(2) Young JL Jr, Roffers SD, Ries LAG, Fritz AG, Hurlbut AA (eds.). **SEER Summary Staging Manual-2000: Codes and Coding Instructions**, National Cancer Institute, NIH Pub. No. 01-4969, Bethesda, MD, 2001.
(3) Collaborative Stage Work Group of the American Joint Committee on Cancer. **Collaborative Stage Data Collection System User Documentation and Coding Instructions, version 02.05**. American Joint Committee on Cancer (Chicago, IL)
(4) Gress, D.M., Edge, S.B., Gershenwald, J.E., et al. **Principles of Cancer Staging**. In: Amin, M.B., Edge, S.B., Greene, F.L., et al. (Eds.) AJCC Cancer Staging Manual. 8th Ed. New York: Springer; 2017: 3-30
(5) Pettaway, C.A., Srigley, J.R., Amin, M.B., et al. **Penis**. In: Amin, M.B., Edge, S.B., Greene, F.L., et al. (Eds.) AJCC Cancer Staging Manual. 8th Ed. New York: Springer; 2017: 701-714
