Derived Summary Stage 2018: Nasopharynx

Derived Summary Stage 2018

Default

9

NAACCR Item

NAACCR #762
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