Melanoma Choroid and Ciliary Body

Primary Site	Histology	Schema Discriminator 1
C693	8720-8790
C694	8720-8790	1

Notes

8720-8790 C693 Choroid C694 Ciliary Body [excluding iris] **Note 1:** The following sources were used in the development of this schema * SEER Extent of Disease 1988: Codes and Coding Instructions (3rd Edition, 1998) (https://seer.cancer.gov/archive/manuals/EOD10Dig.3rd.pdf) * SEER Summary Staging Manual-2000: Codes and Coding Instructions (https://seer.cancer.gov/tools/ssm/ssm2000/) * Collaborative Stage Data Collection System, version 02.05: https://cancerstaging.org/cstage/Pages/default.aspx * Chapter 67 *Uveal Melanoma*, 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. **Note 2:** *Schema Discriminator 1: Melanoma Ciliary Body/Melanoma Iris* is used to discriminate between Melanoma Ciliary Body and Melanoma Iris which are coded to ICD-O-3 code C694.

Data Items
Staging Methods
Outputs

Data Items

Name	Default Value	Used in Derivation	NAACCR Item	Required By	Metadata
Year of Diagnosis		No	NAACCR #390		None
Primary Site		Yes	NAACCR #400		None
Histology		Yes	NAACCR #522		None
Behavior		Yes	NAACCR #523		None
Schema Discriminator 1		Yes	NAACCR #3926	All	SSDI
Tumor Size Clinical	999	No	NAACCR #752		None
Tumor Size Pathological	999	No	NAACCR #754		None
Tumor Size Summary	999	No	NAACCR #756		None
Regional Nodes Positive	99	No	NAACCR #820		None
Regional Nodes Examined	99	No	NAACCR #830		None
LVI	9	No	NAACCR #1182		None
RX Summ Surgery/Radiation Sequence		No	NAACCR #1380		None
RX Summ Systemic/Surgery Sequence		No	NAACCR #1639		None
EOD Primary Tumor	999	Yes	NAACCR #772		None
EOD Regional Nodes	999	Yes	NAACCR #774		None
EOD Mets	00	Yes	NAACCR #776		None
SS2018		No	NAACCR #764		None
Grade Clinical	9	No	NAACCR #3843	CCCR/Canada COC NPCR SEER	SSDI
Grade Pathological	9	No	NAACCR #3844	CCCR/Canada COC NPCR SEER	SSDI
Grade Post Therapy		No	NAACCR #3845	CCCR/Canada COC NPCR SEER	SSDI
Measured Thickness	XX.8	Yes	NAACCR #3888	All	SSDI
Measured Basal Diameter	XX.8	Yes	NAACCR #3887	All	SSDI
Extravascular Matrix Patterns	8	No	NAACCR #3834	COC	SSDI
Microvascular Density (MVD)	X8	No	NAACCR #3891	COC	SSDI
Mitotic Count Uveal Mel	XX.8	No	NAACCR #3892	COC	SSDI
Chromosome 3 Status	8	No	NAACCR #3821	COC	SSDI
Chromosome 8q Status	8	No	NAACCR #3822	COC	SSDI

Initial Context

Staging Methods

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Summary Stage 2018

Start

Additional Context

eod_2018_t = 90

eod_2018_m = 90

eod_2018_n = 90

Next Step

EOD Mets
EOD Mets
ss2018_m

Next Step

End

Outputs

Name	Default Value	NAACCR Item	Metadata
Schema ID	00672	NAACCR #3800 None	None
Derived Version	{{ctx_alg_version}}	None	None
Derived Summary Stage 2018	9	NAACCR #762 None	None