Summary Stage 2018: Pharynx Other

Summary Stage 2018

Notes

**Pharynx Other** 8000-8700 C140, C142, C148 C140 Pharynx, NOS C142 Waldeyer ring C148 Overlapping lesion of lip, oral cavity **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 **Note 2:** **Other Summary Stage Chapters with other Pharynx sites** * **GIST**: 8935-8936 * **Kaposi Sarcoma**: 9140 * **Melanoma Head and Neck**: 8720-8790 * **Mycosis Fungoides**: 9700-9701 * **Soft Tissue Other**: 8992 * **Soft Tissue**: 8710-8714, 8800-8934, 8940-9138, 9141-9582 **Note 3:** **Only staging system** * Summary Stage is the only applicable staging system for this site/histology/schema.

NAACCR Item

NAACCR #764
SS2018 Description
0 **In situ: noninvasive, intraepithelial**
1 **Localized only (localized, NOS)** - Invasive tumor confined to site of origin
2 **Regional by direct extension only** - Extension to adjacent structure(s) - Fixation - More than one region of pharynx involved + Hypopharynx + Nasopharynx + Oropharynx - Pharynx and oral cavity involved
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 groups + 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) + Meninges - Distant lymph node(s), NOS + Mediastinal (excluding superior mediastinal node(s)) -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)