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{
  "id" : "ss2018_nasopharynx_excluding_melanoma_8720_8790_copy_99106",
  "algorithm" : "eod_public",
  "version" : "1.1",
  "name" : "SS2018: Nasopharynx",
  "title" : "Summary Stage 2018: Nasopharynx",
  "subtitle" : "Summary Stage 2018",
  "notes" : "**Nasopharynx**\n\nC110, C112-C113, C118-C119: 8000-8700, 9700-9701 \nC111 and Schema Discriminator 1: Nasopharynx/PharyngealTonsil: 1 (8000-8700, 9700-9701)\n\nC110-C113, C118-C119\nC110 Superior wall of nasopharynx\nC111 Posterior wall of nasopharynx (excluding pharyngeal tonsil)\nC112 Lateral wall of nasopharynx\nC113 Anterior wall of nasopharynx\nC118 Overlapping lesion of nasopharynx\nC119 Nasopharynx, NOS\n\n**Note 1:** The following sources were used in the development of this chapter\n* SEER Extent of Disease 1988: Codes and Coding Instructions (3rd Edition, 1998) (https://seer.cancer.gov/archive/manuals/EOD10Dig.3rd.pdf)\n* SEER Summary Staging Manual-2000: Codes and Coding Instructions (https://seer.cancer.gov/tools/ssm/)\n* Collaborative Stage Data Collection System, version 02.05:  https://cancerstaging.org/cstage/Pages/default.aspx \n* 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.\n\n**Note 2:** See the following chapters for the listed histologies \n* C111 and Schema Discriminator 1: Nasopharynx/PharyngealTonsil: 2 (8000-8700, 9700-9701): **Oropharynx (p16-)* and *Oropharynx HPV-Mediated (p16+)*\n* 8710-8714, 8800-8934, 8940-9137, 9141-9582: *Soft Tissue*\n* 8720-8790: *Melanoma Head and Neck*\n* 8935-8936: *GIST*\n* 9140: *Kaposi Sarcoma*\n\n**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",
  "footnotes" : "(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\n\n(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.\n\n(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)\n\n(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\n\n(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: 55-65\n\n(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: 103-111",
  "last_modified" : "2018-04-19T21:51:25.875Z",
  "definition" : [ {
    "key" : "ss2018",
    "name" : "SS2018",
    "type" : "INPUT"
  }, {
    "key" : "description",
    "name" : "Description",
    "type" : "DESCRIPTION"
  } ],
  "rows" : [ [ "0", "In situ: noninvasive, intraepithelial" ], [ "1", "Localized only (localized, NOS)\n- Confined to nasopharynx, NOS\n- Invasive tumor confined to one of the following subsites\n  + Inferior wall (superior surface of soft palate)\n  + Lateral wall\n  + Posterior superior wall (vault)\n- Involvement of two or more subsites\n  + Lateral wall extending into eustachian tube/middle ear\n  + Posterior, inferior, or lateral wall(s)" ], [ "2", "Regional by direct extension only\n- Any structure listed in Code 1 WITH fixation \n- Bone, NOS\n- Bony structures of skull base\n- Cartilage, NOS\n- Cervical vertebra\n- Floor of orbit\n- Hard palate\n- Nasal cavity WITHOUT pharyngeal extension\n- Oropharynx\n- Paranasal sinus\n- Pterygoid structures\n- Skull base\n- Soft palate, inferior surface including uvula WITHOUT pharyngeal extension\n- Soft tissue, NOS (excluding soft tissue of neck)" ], [ "3", "Regional lymph node(s) involved only\n- Level I\n    + Level IA - Submental\n    + Level IB - Submandibular (submaxillary), sublingual\n- Level II - Upper jugular \n    + Jugulodigastric (subdigastric)\n    + Upper deep cervical        \n    + Level IIA - Anterior\n    + Level IIB - Posterior    \n- Level III - Middle jugular\n    + Middle deep cervical\n- Level IV - Lower jugular\n    + Jugulo-omohyoid (supraomohyoid)\n    + Lower deep cervical        \n    + Virchow node\n- Level V - Posterior triangle group\n    + Posterior cervical\n    + Level VA - Spinal accessory        \n    + Level VB - Transverse cervical, supraclavicular \n- Level VI - Anterior compartment group\n    + Laterotracheal\n    + Paralaryngeal\n    + Paratracheal - above suprasternal notch\n    + Perithyroidal\n    + Precricoid (Delphian)\n    + Prelaryngeal\n    + Pretracheal - above suprasternal notch\n    + Recurrent laryngeal\n- Level VII - Superior mediastinal group (for other mediastinal node(s) see code 7)\n    + Esophageal groove\n    + Paratracheal - below suprasternal notch\n    + Pretracheal - below suprasternal notch    \n- Other groups\n    + Cervical, NOS\n    + Deep cervical, NOS\n    + Facial\n        * Buccinator (buccal)\n        * Mandibular\n        * Nasolabial\n    + Internal jugular, NOS\n    + Parapharyngeal \n    + Parotid\n        * Infraauricular\n        * Intraparotid\n        * Periparotid\n        * Preauricular\n   + Retroauricular (mastoid)\n   + Retropharyngeal\n   + Suboccipital\n- Regional lymph node(s), NOS\n  + Lymph node(s), NOS" ], [ "4", "Regional by BOTH direct extension AND regional lymph node(s) involved\n- Codes (2) + (3)" ], [ "7", "Distant site(s)/lymph node(s) involved\n- Distant site(s) (including further contiguous extension)\n   + Brain\n   + Cranial nerve involvement \n   + Hypopharynx\n   + Infratemporal fossa/masticator space\n   + Intracranial extension, NOS\n   + Orbit except bone of floor of orbit \n   + Parotid gland\n   + Soft tissues of neck\n- Distant lymph node(s), NOS\n  + Mediastinal (excluding superior mediastinal node(s))\n- Distant metastasis, NOS\n  + Carcinomatosis \n  + Distant mets WITH or WITHOUT distant lymph node(s)" ], [ "9", "Unknown if extension or metastasis" ] ]
}




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