EOD Primary Tumor

Code Description SS2018 T
000 In situ, intraepithelial, noninvasive Anal intraepithelial neoplasia III Bowen disease IS
100 Any size tumor with invasion to * Intramucosa * Lamina propria * Mucosa, NOS * Muscularis mucosae * Muscularis propria (internal sphincter) * Submucosa (superficial invasion) Incidental finding of malignancy in hemorrhoid, NOS Confined to anus, NOS Localized, NOS L
200 Any size tumor with extension to * Ischiorectal fat/tissue * Perianal skin * Perirectal skin * Rectal mucosa or submucosa * Rectal wall * Skeletal muscle(s) - Anal sphincter (external) - Levator ani * Subcutaneous perianal tissue RE
600 Perineum Vulva RE
700 Bladder Broad ligament(s) Cervix uteri Corpus uteri Pelvic peritoneum Prostate Urethra Vagina Further contiguous extension 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) Welton, M.L., Jessup, J.M., et al. **Anus**. In: Amin, M.B., Edge, S.B., Greene, F.L., et al. (Eds.) AJCC Cancer Staging Manual. 8th Ed. New York: Springer; 2017