Summary Stage 2018: Thyroid

Summary Stage 2018

Notes

**Thyroid** 8000-8700, 8720-8790 C739 C739 Thyroid gland **Note 1:** **Sources 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 73 *Thyroid-Differentiated and Anaplastic 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 74 *Thyroid-Medullary*, 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:** **Other Summary Stage Chapters with Thyroid sites** * **GIST**: 8935-8936 * **Kaposi Sarcoma**: 9140 * **Mycosis Fungoides**: 9700-9701 * **Soft Tissue**: 8710-8714, 8800-8934, 8940-9138, 9141-9582: **Note 3:** **Psammoma bodies** * Psammoma bodies are counted as positive regional lymph nodes

NAACCR Item

NAACCR #764
SS2018 Description
0 **In situ: noninvasive, intraepithelial**
1 **Localized only (localized, NOS)** - Confined to thyroid, NOS - Into thyroid capsule, but not beyond - Multiple foci confined to thyroid - Single invasive tumor confined to thyroid
2 **Regional by direct extension only** - Blood vessel(s) (major) + Carotid artery (encased) + Jugular vein + Thyroid artery or vein - Cricoid cartilage - Esophagus - Extrathyroidal extension (microscopic, macroscopic, NOS) - Larynx - Nerves + Recurrent laryngeal + Vagus nerve - Parathyroid - Pericapsular soft tissue/connective tissue - Sternocleidomastoid muscle - Strap muscle(s) + Omohyoid + Sternohyoid + Sternothyroid + Thyrohyoid - Subcutaneous soft tissue - Thyroid cartilage - Trachea - Tumor described as "FIXED to adjacent tissues"
3 **Regional lymph node(s) involved only** - Level I + Level IA - Submental + Level IB - Submandibular (submaxillary), sublingual - Level II - Upper jugular + Jugulodigastric (subdigastric) + Upper deep cervical + Level IIA - Anterior + Level IIB - Posterior - Level III - Middle jugular + Middle deep cervical - Level IV - Lower jugular + Jugulo-omohyoid (supraomohyoid) + Lower deep cervical + Virchow node - Level V - Posterior triangle group + Posterior cervical + Level VA - Spinal accessory + Level VB - Transverse cervical, supraclavicular - Level VI - Anterior compartment group + Laterotracheal + Paralaryngeal + Paratracheal - above suprasternal notch + Perithyroidal + Precricoid (Delphian) + Prelaryngeal + Pretracheal - above suprasternal notch + Recurrent laryngeal - Level VII - Superior mediastinal group (for other mediastinal node(s) see code 7) + Esophageal groove + Paratracheal - below suprasternal notch + Pretracheal - below suprasternal notch - Other lymph nodes + Cervical, NOS + Deep cervical, NOS + Facial * Buccinator (buccal) * Mandibular * Nasolabial + Internal jugular, NOS + Parapharyngeal + Parotid * Infraauricular * Intraparotid * Periparotid * Preauricular + Retroauricular (mastoid) + Retropharyngeal + Suboccipital - 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) + Gross extrathyroidal extension invading * Bone * Mediastinal tissues * Prevertebral fascia * Skeletal muscle, other than strap or sternocleidomastoid muscle - Distant lymph node(s), NOS - Distant metastasis, NOS + Carcinomatosis + Distant mets 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 (5) Tuttle, R.M., Perrier, N.D., et al. **Thyroid - Differentiated and Anaplastic Carcinoma**. In: Amin, M.B., Edge, S.B., Greene, F.L., et al. (Eds.) AJCC Cancer Staging Manual. 8th Ed. New York: Springer; 2017 (6) Rosen, J.E., Lloyd, R.V., Perrier, N.D., et al. **Thyroid - Medullary**. In: Amin, M.B., Edge, S.B., Greene, F.L., et al. (Eds.) AJCC Cancer Staging Manual. 8th Ed. New York: Springer; 2017