Summary Stage 2018: Nasopharynx

Summary Stage 2018

Notes

**Nasopharynx** C110, C112-C113, C118-C119: 8000-8700 C111 and Schema Discriminator 1: Nasopharynx/PharyngealTonsil: 1 (8000-8700) C110-C113, C118-C119 C110 Superior wall of nasopharynx C111 Posterior wall of nasopharynx (excluding pharyngeal tonsil) C112 Lateral wall of nasopharynx C113 Anterior wall of nasopharynx C118 Overlapping lesion of nasopharynx C119 Nasopharynx, 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 9 *Nasopharynx*, 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 * C111 and Schema Discriminator 1: Nasopharynx/PharyngealTonsil: 2 (8000-8700): *Oropharynx (p16-)* and *Oropharynx HPV-Mediated (p16+)* * 8710-8714, 8800-8934, 8940-9138, 9141-9582: *Soft Tissue* * 8720-8790: *Melanoma Head and Neck* * 8935-8936: *GIST* * 9140: *Kaposi Sarcoma* * 9700-9701: *Mycosis Fungoides* **Note 3:** The Schema Discriminator *Nasopharynx/Pharyngeal Tonsil* is used to discriminate between Posterior wall of nasopharynx (adenoid) and Pharyngeal tonsil which are coded to ICD-O-3 code C111

NAACCR Item

NAACCR #764
SS2018 Description
0 In situ: noninvasive, intraepithelial
1 Localized only (localized, NOS) - Confined to nasopharynx, NOS - Invasive tumor confined to one of the following subsites + Inferior wall (superior surface of soft palate) + Lateral wall + Posterior superior wall (vault) - Involvement of two or more subsites + Lateral wall extending into eustachian tube/middle ear + Posterior, inferior, or lateral wall(s)
2 Regional by direct extension only - Any structure listed in Code 1 WITH fixation - Bone, NOS - Bony structures of skull base - Cartilage, NOS - Cervical vertebra - Floor of orbit - Hard palate - Nasal cavity WITHOUT pharyngeal extension - Oropharynx - Paranasal sinus - Pterygoid structures - Skull base - Soft palate, inferior surface including uvula WITHOUT pharyngeal extension - Soft tissue, NOS (excluding soft tissue of neck)
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) + Brain + Cranial nerve involvement + Hypopharynx + Infratemporal fossa/masticator space + Intracranial extension, NOS + Orbit except bone of floor of orbit + Parotid gland + Soft tissues of neck - Distant lymph node(s), NOS + Mediastinal (excluding superior mediastinal node(s)) - 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) Lydiatt, W.M., Patel, S.G., Shah, J.P., et al. **Staging Head and Neck Cancers**. In: Amin, M.B., Edge, S.B., Greene, F.L., et al. (Eds.) AJCC Cancer Staging Manual. 8th Ed. New York: Springer; 2017 (6) Lee, A.W.M., Lydiatt, W.M., Shah, J.P., et al. **Nasopharynx**. In: Amin, M.B., Edge, S.B., Greene, F.L., et al. (Eds.) AJCC Cancer Staging Manual. 8th Ed. New York: Springer; 2017