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, intraepithelial, noninvasive, preinvasive Cancer in situ WITH endocervical gland involvement Cervical intraepithelial neoplasia (CIN) Grade III IS
100 Measured stromal invasion 3.0 mm or less AND horizontal spread of 7.0 mm or less FIGO Stage IA1 L
150 Measured stromal invasion 3.1 mm to 5.0 mm AND horizontal spread of 7.0 mm or less FIGO Stage IA2 L
200 Stromal invasion 5.0 mm or less measured from the base of the epithelium AND horizontal spread of 7.0 mm or less FIGO Stage IA [NOS] L
250 Clinically visible lesion (macroscopic), including superficial invasion L
300 Localized, NOS Confined to cervix uteri or uterus, NOS, except corpus uteri, NOS (Not clinically visible or unknown if clinically visible) FIGO Stage IB L
350 Corpus uteri, NOS Confined to corpus uteri, size, depth and horizontal spread unknown FIGO Stage I [NOS] RE
400 Any size tumor WITHOUT parametrial (paracervical soft tissue) invasion - Cul de sac (rectouterine pouch) - Upper two-thirds of vagina including fornices - Vagina, NOS - Vaginal wall, NOS RE
450 Ligament(s) (broad, cardinal, uterosacral) Parametrial (paracervical soft tissue) invasion FIGO Stage IIB RE
500 Invasion beyond uterus, NOS FIGO Stage II [NOS] RE
550 Bladder wall Bladder, NOS excluding mucosa Bullous edema of bladder mucosa Lower third of vagina Rectal wall Rectum, NOS excluding mucosa Ureter, intra- and extramural Vagina, lower third (not extending to pelvic wall) Vulva FIGO Stage IIIA RE
600 Described clinically as frozen pelvis Hydronephrosis or nonfunctioning kidney Pelvic wall(s) FIGO Stage IIIB RE
700 Fallopian tube(s) Ovary(ies) Urethra FIGO Stage III [NOS] RE
750 Bladder mucosa (for bullous edema of bladder mucosa, see code 550) Rectal mucosa Sigmoid colon Small intestine FIGO Stage IVA Further contiguous 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) Erickson, B.A., Olawaiye, A.B., Mutch, D.G., et al. **Cervix Uteri**. In: Amin, M.B., Edge, S.B., Greene, F.L., et al. (Eds.) AJCC Cancer Staging Manual. 8th Ed. New York: Springer; 2017: 649-659