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:** Involvement of inguinal, pelvic, or external iliac lymph nodes WITHOUT or unknown if previous scrotal or inguinal surgery prior to presentation of the testis tumor is coded in EOD Mets as distant lymph node involvement.
**Note 3:** Regional lymph nodes include:
Aortic, NOS
Lateral (lumbar)
Para-aortic
Periaortic
Preaortic
Retroaortic
Pericaval, NOS
Interaortocaval
Paracaval
Precaval
Retrocaval
Retroperitoneal below the diaphragm or NOS
Spermatic vein
Lymph nodes **WITH** previous scrotal or inguinal surgery
External iliac
Inguinal nodes, NOS
Deep, NOS
Node of Cloquet or Rosenmuller (highest deep inguinal)
Superficial (femoral)
Pelvic
| Code |
Description |
SS2018 N |
| 000 |
CLINICAL or PATHOLOGICAL
No regional lymph node involvement |
NONE |
| 100 |
CLINICAL ONLY
Metastasis in lymph node(s), all less than 2 cm |
RN |
| 200 |
PATHOLOGICAL ONLY
Metastasis in lymph node(s), all less than 2 cm |
RN |
| 300 |
CLINICAL ONLY
Metastasis lymph node(s) between 2 cm and 5 cm |
RN |
| 400 |
PATHOLOGICAL ONLY
Metastasis in a lymph node, between 2 cm and 5 cm |
RN |
| 500 |
PATHOLOGICAL ONLY
Extranodal extension of lymph nodes present |
RN |
| 600 |
CLINICAL or PATHOLOGICAL
Metastasis in a lymph node larger than 5 cm in greatest dimension |
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) Brimo, F., Srigley, J.R., Lin, D.W., et al. **Testis**. In: Amin, M.B., Edge, S.B., Greene, F.L., et al. (Eds.) AJCC Cancer Staging Manual. 8th Ed. New York: Springer; 2017: 727-735
