EOD Regional Nodes
Notes
**Note 1:** Extraosseous plasmacytomas (9734), especially those in the respiratory tract, may metastasize to regional lymph nodes.
**Note 2:** Code 987, not applicable, for
* Lymphoplasmacytic lymphoma (9671)
* Plasmacytoma, NOS (9731)
* Single plasmacytoma occurring in bone (osseous or medullary) (9731)
* Waldenstrom Macroglobulinemia (9761)
(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) **Introduction to Hematologic Malignancies**. In: Amin, M.B., Edge, S.B., Greene, F.L., et al. (Eds.) AJCC Cancer Staging Manual. 8th Ed. New York: Springer; 2017: 931-935
(6) Bergsagel, P.L., Jaffe, E.S., Leonard, J.P., et al. **Plasma Cell Myeloma and Plasma Cell Disorders**. In: Amin, M.B., Edge, S.B., Greene, F.L., et al. (Eds.) AJCC Cancer Staging Manual. 8th Ed. New York: Springer; 2017: 973-977