Middle Ear

Primary Site Histology Staging Type
C301 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

C301 Middle ear **Note 1:** Laterality must be coded for this site. **Note 2:** TNM is not defined for this schema. If directly assigning Summary Stage 2000 (SS2000), use the *Nasal Cavity and Middle Ear* chapter on page 126 of the [SS2000 on-line manual](http://seer.cancer.gov/tools/ssm/SSSM2000-122012.pdf#page=126).

Main Data Items

Additional Data Items

Name Default Value Used for Staging NAACCR Item Required By 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 Description NAACCR Item Metadata
Derived Version 1.1 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