Other and Ill-Defined Digestive Organs

Primary Site	Histology	Staging Type
C260, C268-C269	8000-9136, 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

C260 Intestinal tract, NOS C268 Overlapping lesion of digestive system C269 Gastrointestinal tract, NOS **Note:** TNM is not defined for this schema. If directly assigning Summary Stage 2000 (SS2000), use the *Other and Ill-defined Digestive Organs* chapter on page 122 of the [SS2000 on-line manual](https://seer.cancer.gov/tools/ssm/ssm2000/SSSM2000-122012.pdf#page=122).

Data Items
Outputs

Data Items

Name	Default Value	Used in Derivation	NAACCR Item	Metadata
Year of Diagnosis	<BLANK>	No	NAACCR #390	None
Primary Site	<BLANK>	Yes	NAACCR #400	None
Histology	<BLANK>	Yes	NAACCR #522	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 None	None
Derived SEER Path Stage Group	88	NAACCR #3605 None	None
Derived SEER Combined Stage Group	88	NAACCR #3614 None	None
Derived SEER Combined T	88	NAACCR #3616 None	None
Derived SEER Combined N	88	NAACCR #3618 None	None
Derived SEER Combined M	88	NAACCR #3620 None	None
Derived SEER Combined T Source	<BLANK>	NAACCR #3622 None	None
Derived SEER Combined N Source	<BLANK>	NAACCR #3624 None	None
Derived SEER Combined M Source	<BLANK>	NAACCR #3626 None	None