EOD Primary Tumor

Code Description SS2018 T
100 Lymphoma involving the conjunctiva alone - WITHOUT eyelid or orbital involvement L
200 Lymphoma involving the conjunctiva alone - UNKNOWN if eyelid or orbital involvement L
300 Lymphoma with orbital involvement - WITH or WITHOUT conjunctival involvement L
400 Lymphoma with preseptal eyelid involvement - WITH or WITHOUT orbital or conjunctival involvement L
700 Orbital adnexal lymphoma AND extraorbital lymphoma extending beyond the orbit to adjacent structures - Bone - Brain - Maxillofacial sinuses D
800 No evidence of primary tumor U
999 Unknown; extension not stated Primary tumor 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) Heegaard, S., Finger, P.T., et al. **Ocular Adnexal Lymphoma**. In: Amin, M.B., Edge, S.B., Greene, F.L., et al. (Eds.) AJCC Cancer Staging Manual. 8th Ed. New York: Springer; 2017