EOD Primary Tumor

Code Description SS2018 T
000 In situ, intraepithelial, noninvasive * CIN III (conjunctival intraepithelial neoplasia III) * SIN III (squamous intraepithelial neoplasia III) IS
100 Tumor confined to one subsite of conjunctiva * Bulbar conjunctiva * Forniceal conjunctiva * Palpebral conjunctiva * Tarsal conjunctiva Tumor confined to conjunctiva, NOS * WITHOUT invasion of adjacent structures Localized, NOS L
200 Cornea (3, 6, 9, or 12 o'clock hours) * Intraocular compartments * Intraocular extension L
300 More than one subsite of conjunctiva involved Adjacent extraocular extension, excluding orbit * Anterior eyelid lamella * Caruncle * Eyelid margin (lower and/or upper) * Lacrimal punctum and canaliculi (lower and/or upper) * Plica * Posterior eyelid lamella RE
400 Orbital soft tissues WITHOUT bone invasion RE
500 Bone Bone of orbit RE
600 Adjacent paranasal sinuses Sinus, NOS RE
650 Central Nervous System Further contiguous extension D
700 Orbit, NOS RE
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) Conway, R.M., Finger, P.T., et al. **Conjunctival Carcinoma**. In: Amin, M.B., Edge, S.B., Greene, F.L., et al. (Eds.) AJCC Cancer Staging Manual. 8th Ed. New York: Springer; 2017