Summary Stage 2018: Nasopharynx

Summary Stage 2018

Notes

**Nasopharynx** **2018-2024** 8000-8700, 8940-8960, 8965-8983, 9000, 9050-9111, 9270, 9300-9312, 9340-9363, 9380-9539, 9541 C110, C112-C113, C118-C119 C111 and Schema Discriminator 1: Nasopharynx/PharyngealTonsil: 1 (8000-8700, 8940-8960, 8965-8983, 9000, 9050-9111, 9270, 9300-9312, 9340-9363, 9380-9539, 9541) **2025+** C110-C113, C118-C119: 8000-8700, 8940-8960, 8965-8983, 9000, 9050-9111, 9270, 9300-9312, 9340-9363, 9380-9539, 9541 C110-C113, C118-C119 C110: Superior wall of nasopharynx C111: Posterior wall of nasopharynx *(excluding pharyngeal tonsil 2018-2024)* C111: Posterior wall of nasopharynx *(including pharyngeal tonsil, 2025+)* C112: Lateral wall of nasopharynx C113: Anterior wall of nasopharynx C118: Overlapping lesion of nasopharynx C119: Nasopharynx, NOS **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 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:** **Other Summary Stage Chapters with Nasopharynx sites** * **GIST**: 8935-8936 * **Kaposi Sarcoma**: 9140 * **Melanoma Head and Neck**: 8720-8790 * **Mycosis Fungoides**: 9700-9701 * **Oropharynx-Independent and Oropharynx-Associated (2018-2024 only):** C111 and Schema Discriminator 1: Nasopharynx/PharyngealTonsil: 2 (8000-8700, 8940-8960, 8965-8983, 9000, 9050-9111, 9270, 9300-9312, 9340-9363, 9380-9539, 9541) * **Soft Tissue**: 8710-8714, 8800-8934, 8963-8964, 8990-8992, 9010-9045, 9120-9138, 9141-9262, 9271-9290, 9320-9330, 9364-9373, 9540, 9542-9582

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 * 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 (7) **Nasopharynx**, from the AJCC Cancer Staging System Version 9 (2024). Used with permission of the American College of Surgeons, Chicago, Illinois.

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 * 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