Summary Stage 2018: Appendix

Summary Stage 2018

Notes

Appendix

8000-8700, 8720-8790, 9700-9701

C181
C181 Appendix

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 19 Appendix – Carcinoma, 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.
  • Chapter 32 Neuroendocrine Tumors of the Appendix, 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: See the following chapters for the listed histologies

  • 8710-8714, 8800-8934, 8940-9137, 9141-9582: Soft Tissue
  • 8935-8936: GIST
  • 9140: Kaposi Sarcoma

NAACCR Item

NAACCR #764
SS2018 Description
0

In situ, intraepithelial, noninvasive

  • Acellular mucin or mucinous epithelium may invade into the muscularis propria
  • (Adeno) carcinoma, noninvasive, in a polyp or adenoma
  • Low-grade appendiceal mucinous neoplasm confined by the muscularis propria (LAMN)
1

Localized only (localized, NOS)

  • Confined to appendix, NOS
  • Confined to polyp, NOS
  • Extension through wall, NOS
  • Invasion through muscularis propria
  • Lamina propria
  • Mucosa (intramucosal, NOS)
  • Muscularis mucosae
  • Non-peritonealized pericolic tissues invaded
  • Perimuscular tissue invaded
  • Submucosa
  • Subserosa
  • Transmural, NOS
  • Wall, NOS
2

Regional by direct extension only

  • Abdominal wall
  • Adherent to other organs or structures
  • Adjacent tissue(s), NOS
  • Connective tissue
  • Fat, NOS
  • Greater omentum
  • Mesenteric fat
  • Mesentery
  • Mesoappendix
  • Pericolic fat
  • Retroperitoneum
  • Serosa (mesothelium) (visceral peritoneum)
  • Small intestine
  • Tumor found in adhesion(s) if microscopic examination performed
3

Regional lymph node(s) involved only

  • Cecal
    • Anterior (prececal)
    • Posterior (retrocecal)
    • Right colic
  • Colic, NOS
  • Epicolic (adjacent to bowel wall)
  • Ileocolic
  • Mesenteric, NOS
  • Mesocolic, NOS
  • Paracolic/pericolic
  • 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)
    • Adrenal (suprarenal) gland
    • Bladder
    • Diaphragm
    • Fallopian tube
    • Fistula to skin
    • Gallbladder
    • Intraperitoneal spread/peritoneal metastasis
    • Kidney
    • Liver
    • Other segment(s) of colon/rectum via serosa
    • Ovary
    • Ureter
    • Uterus
  • Distant lymph node(s), NOS
    • Inferior mesenteric
    • Superior mesenteric
  • 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) Overman, M.J., Jessup, J.M., et al. Appendix – Carcinoma. In: Amin, M.B., Edge, S.B., Greene, F.L., et al. (Eds.) AJCC Cancer Staging Manual. 8th Ed. New York: Springer; 2017: 237-250

(6) Woltering, E.A., Bergsland, E.K., et al. Neuroendocrine Tumors of the Appendix. In: Amin, M.B., Edge, S.B., Greene, F.L., et al. (Eds.) AJCC Cancer Staging Manual. 8th Ed. New York: Springer; 2017: 389-394