Pharynx, NOS, and Overlapping Lesion of Lip, Oral Cavity, and Pharynx (excluding Malignant Melanoma)

Primary Site	Histology	Staging Type
C140, C142, C148	8000-8713, 8800-9136, 9141-9582, 9700-9701	Summary Stage only

If you are working with a site/histology that only summary stages and you need to directly code it, please use the SEER Summary Stage 2000 manual

Notes

C140 Pharynx, NOS C142 Waldeyer ring C148 Overlapping lesion of lip, oral cavity **Note:** TNM is not defined for this schema. If directly assigning Summary Stage 2000 (SS2000), use the *Pharynx, NOS and Other Ill-Defined Oral Cavity Sites* chapter on page 66 of the [SS2000 on-line manual](https://seer.cancer.gov/tools/ssm/ssm2000/SSSM2000-122012.pdf#page=66).

Data Items
Outputs

Main Data Items

Name	Default Value	Used for Staging	NAACCR Item	Required By	Metadata
SSF1: Size of Lymph Nodes	999	No	NAACCR #2880 csSiteSpecificFactor1	CCCR/Canada COC SEER	None
SSF3: Levels I-III, Lymph Nodes for Head and Neck	999	No	NAACCR #2900 csSiteSpecificFactor3	CCCR/Canada COC SEER	None
SSF4: Levels IV-V and Retropharyngeal Lymph Nodes for Head and Neck	999	No	NAACCR #2910 csSiteSpecificFactor4	CCCR/Canada COC SEER	None
SSF5: Levels VI-VII and Facial Lymph Nodes for Head and Neck	999	No	NAACCR #2920 csSiteSpecificFactor5	CCCR/Canada COC SEER	None
SSF6: Parapharyngeal, Parotid, and Suboccipital/Retroauricular Lymph Nodes for Head and Neck	999	No	NAACCR #2930 csSiteSpecificFactor6	CCCR/Canada COC SEER	None
SSF7: Upper and Lower Cervical Node Levels	988	No	NAACCR #2861 csSiteSpecificFactor7	None	None
SSF8: Extracapsular Extension Clinically, Lymph Nodes for Head and Neck	988	No	NAACCR #2862 csSiteSpecificFactor8	None	None
SSF9: Extracapsular Extension Pathologically, Lymph Nodes for Head and Neck	999	No	NAACCR #2863 csSiteSpecificFactor9	CCCR/Canada COC SEER	None
SSF10: Human Papilloma Virus (HPV) Status	999	No	NAACCR #2864 csSiteSpecificFactor10	CCCR/Canada COC SEER	None

Additional Data Items

Name	Default Value	Used for Staging	NAACCR Item	Metadata
Year of Diagnosis	<BLANK>	No	NAACCR #390 dateOfDiagnosis	None
Primary Site	<BLANK>	Yes	NAACCR #400 primarySite	None
Histology	<BLANK>	Yes	NAACCR #522 histologicTypeIcdO3	None

Initial Context

Staging Methods

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Outputs

Name	Default Value	NAACCR Item	Metadata
Derived Version	{{ctx_alg_version}}	None	None
Derived SEER Clin Stage Group	88	NAACCR #3610 derivedSeerClinStgGrp	None
Derived SEER Path Stage Group	88	NAACCR #3605 derivedSeerPathStgGrp	None
Derived SEER Combined Stage Group	88	NAACCR #3614 derivedSeerCmbStgGrp	None
Derived SEER Combined T	88	NAACCR #3616 derivedSeerCombinedT	None
Derived SEER Combined N	88	NAACCR #3618 derivedSeerCombinedN	None
Derived SEER Combined M	88	NAACCR #3620 derivedSeerCombinedM	None
Derived SEER Combined T Source	<BLANK>	NAACCR #3622 derivedSeerCmbTSrc	None
Derived SEER Combined N Source	<BLANK>	NAACCR #3624 derivedSeerCmbNSrc	None
Derived SEER Combined M Source	<BLANK>	NAACCR #3626 derivedSeerCmbMSrc	None