EOD Primary Tumor

Notes

**Note:** When both the Federation Internationale de Gynecologie et d'Obstetrique (FIGO) stage and extension information on the primary tumor are available, use the extension information to code primary tumor in preference to a statement of FIGO stage.
Code Description SS2018 T
000 In situ, intraepidermal, intraepithelial, preinvasive, noninvasive Bowen disease IS
100 Vulva only: Stromal invasion less than or equal to 1 mm OR unknown FIGO Stage IA L
150 Vulva only: Stromal invasion not known Invasive carcinoma confined to - Musculature - Submucosa - Vulva including skin Localized, NOS FIGO Stage I [NOS] L
200 Vulva and perineum: Stromal invasion less than or equal to 1 mm RE
250 Vulva and perineum: Stromal invasion not known RE
300 Vulva only: Stromal invasion greater than 1 mm Confined to - Musculature - Submucosa - Vulva including skin FIGO Stage IB L
400 Vulva and perineum only: Stromal invasion greater than 1 mm RE
500 Adjacent perineal structures - Lower/distal third of urethra - Lower/distal third of vagina Anus Perianal skin Urethra, NOS Vagina, NOS FIGO Stage II RE
600 Bladder wall or bladder, NOS excluding mucosa Rectal wall or rectum, NOS excluding mucosa Vagina - Upper/proximal two-thirds RE
700 Bladder mucosa Fixed to pubic bone (pelvic bone) Perineal body Rectal mucosa Urethra: - Upper/proximal two-thirds Further contiguous extension FIGO Stage IVA based on extension D
800 No evidence of primary tumor U
999 Unknown; extension not stated Primary tumor 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) **Introduction to Female Reproductive Organs**. In: Amin, M.B., Edge, S.B., Greene, F.L., et al. (Eds.) AJCC Cancer Staging Manual. 8th Ed. New York: Springer; 2017: 631 (6) Gibb, R.K., Olawaiye, A.B., Mutch, D.G., et al. **Vulva**. In: Amin, M.B., Edge, S.B., Greene, F.L., et al. (Eds.) AJCC Cancer Staging Manual. 8th Ed. New York: Springer; 2017: 633-640