EOD Regional Nodes

This input is used for staging

Notes

**Note:** All lymph node (regional and distant) involvement is coded in this field.

Default

999

NAACCR Item

NAACCR #774

Code	Description	SS2018 N
000	No lymph node involvement (No clinical adenopathy and either pathologically negative or no pathological statement)	NONE
100	Clinically enlarged palpable lymph node(s) (adenopathy), and either pathologically negative nodes or no pathological statement	RN
200	No clinically enlarged palpable lymph node(s) (adenopathy) but pathologically positive lymph node(s)	RN
300	Both clinically enlarged palpable lymph node(s) (adenopathy) and pathologically positive lymph node(s)	RN
700	Distant lymph node(s), NOS	D
800	Regional lymph node(s), NOS Lymph node(s), NOS	RN
999	Unknown; not stated Regional lymph node(s) cannot be assessed Not documented in medical 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 (5) Pollock, R.E., Maki, R.G. **Introduction to Soft Tissue Sarcoma** In: Amin, M.B., Edge, S.B., Greene, F.L., et al. (Eds.) AJCC Cancer Staging Manual. 8th Ed. New York: Springer; 2017 (6) Maki, R.G., Pollock, R.E., et al. **Soft Tissue Sarcoma - Unusual Histologies and Sites**. In: Amin, M.B., Edge, S.B., Greene, F.L., et al. (Eds.) AJCC Cancer Staging Manual. 8th Ed. New York: Springer; 2017