Summary Stage 2018: Corpus Sarcoma

Summary Stage 2018

Notes

**Corpus Sarcoma** 8710-8714, 8800-8941, 8951-8975, 8981-9137, 9141-9582 C540-C543, C548-C549, C559 C540 Isthmus uteri C541 Endometrium C542 Myometrium C543 Fundus uteri C548 Overlapping lesion of corpus uteri C549 Corpus uteri C559 Uterus, NOS **Note 1:** The following sources were used in the development of this chapter * SEER Extent of Disease 1988: Codes and Coding Instructions (3rd Edition, 1998) (https://seer.cancer.gov/archive/manuals/EOD10Dig.3rd.pdf) * SEER Summary Staging Manual-2000: Codes and Coding Instructions (https://seer.cancer.gov/tools/ssm/ssm2000/) * Collaborative Stage Data Collection System, version 02.05: https://cancerstaging.org/cstage/Pages/default.aspx * Chapter 54 *Corpus Uteri-Sarcoma*, in the AJCC Cancer Staging Manual, Eighth Edition (2017) published by Springer International Publishing. Used with permission of the American College of Surgeons, Chicago, Illinois. **Note 2:** Code 0 is not applicable for this chapter. **Note 3:** Isolated tumor cells (ITCs) are defined as single tumor cells or small clusters not greater than 0.2 mm, usually detected by immunohistochemical (IHC) or molecular methods. ITCs do not usually show evidence of malignant activity (e.g., proliferation or stromal reaction). * Lymph nodes with ITCs only are **not** counted as positive nodes for Summary Stage

NAACCR Item

NAACCR #764
SS2018 Description
1 Localized only (localized, NOS) - FIGO Stage IA + Confined to endometrium or endocervix + (Glandular, stromal, or both) - FIGO Stage IB + Invasion of inner half of myometrium + Tumor invades less than one-half of myometrium - FIGO Stage IC + Invasion of outer half of myometrium + Tumor invades one-half or more of myometrium - FIGO Stage I [NOS] + Invasion of myometrium, NOS + Invasive cancer confined to corpus uteri + Tunica serosa of the visceral peritoneum (serosa covering the corpus)
2 Regional by direct extension only - FIGO Stage IIA + Cervix uteri, NOS, but not beyond uterus + Confined to endocervix (Glandular, stromal, or both) + Extension or metastasis within true pelvis * Adnexa, NOS * Fallopian tube(s) * Ligaments (broad, round, uterosacral) * Ovary(ies) + Invasion of myometrium WITH involvement of endocervix + Parametrium + Visceral peritoneum of pelvic organs excluding serosa of corpus uteri - FIGO Stage IIB + Described clinically as "frozen pelvis", NOS + Parietal serosa of pelvic cavity + Pelvic wall(s) + Ureter + Vagina + Vulva - FIGO Stage II [NOS] + Bladder wall + Bladder, NOS excluding mucosa + Extension beyond uterus, within pelvis, NOS + Peritoneal cytology positive for malignant cells + Rectal wall + Rectum, NOS excluding mucosa
3 Regional lymph node(s) involved only - Aortic (lateral [lumbar], Periaortic, NOS) - Iliac (external, internal [hypogastric], NOS) - Lateral (laterosacral) - Middle (promontorial) (Gerota's node) - Obturator - Para-aortic - Paracervical - Parametrial - Pelvic, NOS - Presacral - Sacral - Uterosacral - Regional lymph node(s), NOS + Lymph node(s), NOS
4 Regional by BOTH direct extension AND regional lymph node(s) involved - Codes (2) + (3)
7 Distant site(s)/lymph node(s) involved - Distant site(s) (including further contiguous extension) + Cul de sac (rectouterine pouch) + FIGO Stage IIIA, IIIB, III [NOS] * Abdominal serosa (visceral or parietal peritoneum of abdomen) * Infiltration of abdominal tissues * Sigmoid colon * Small intestine * Other abdominal structures + FIGO Stage IVA, IVB, IV [NOS] - Distant lymph node(s), NOS + Deep inguinal, NOS * Node of Cloquet or Rosenmuller (highest deep inguinal) + Inguinal, NOS + Superficial inguinal (femoral) - Distant metastasis, NOS + Carcinomatosis + Distant metastasis WITH or WITHOUT distant lymph node(s)
9 Unknown if extension or metastasis
(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) Dizon, D.S., Olawaiye, A.B., Mutch, D.G., et al. **Corpus Uteri - Sarcoma**. In: Amin, M.B., Edge, S.B., Greene, F.L., et al. (Eds.) AJCC Cancer Staging Manual. 8th Ed. New York: Springer; 2017: 671-680