GIST

Primary Site Histology Behavior Year of Diagnosis
C000-C529, C571-C699, C739-C750, C754-C809 8935-8936 <Any value> <Any value>
C530-C539 8935-8936 <Any value> 2018-2020
C700-C729, C751-C753 8935-8936 3 <Any value>

Notes

8935-8936 (C000-C529, C571-C809; C530-C539 for 2018-2020) **Note 1:** **Sources 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 43 *Gastrointestinal Stromal Tumor*, 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:** **Other schemas that include GIST histologies** * GIST of the cervix, corpus, ovary and fallopian tube are collected in the following: * **Cervix Sarcoma**: C530-C539 for 2021 and later * **Corpus Sarcoma**: C540-C549, C559 * **Fallopian Tube**: C570 * **Ovary**: C569

Data Items

Name Default Value Used in Derivation NAACCR Item Required By Metadata
Year of Diagnosis Yes NAACCR #390
dateOfDiagnosis 		None
Primary Site Yes NAACCR #400
primarySite 		None
Histology Yes NAACCR #522
histologicTypeIcdO3 		None
Behavior Yes NAACCR #523
behaviorCodeIcdO3 		None
Schema Discriminator 1 Yes NAACCR #3926
schemaDiscriminator1 		All SSDI
Tumor Size Clinical No NAACCR #752
tumorSizeClinical 		None
Tumor Size Pathological No NAACCR #754
tumorSizePathologic 		None
Tumor Size Summary 999 Yes NAACCR #756
tumorSizeSummary 		None
Regional Nodes Positive 99 No NAACCR #820
regionalNodesPositive 		None
Regional Nodes Examined 99 No NAACCR #830
regionalNodesExamined 		None
RX Summ Surgery/Radiation Sequence No NAACCR #1380
rxSummSurgRadSeq 		None
RX Summ Systemic/Surgery Sequence No NAACCR #1639
rxSummSystemicSurSeq 		None
Neoadjuvant Therapy 9 No NAACCR #1632
neoadjuvantTherapy 		None
Neoadjuvant Therapy – Clinical Response 9 No NAACCR #1633
neoadjuvTherapyClinicalResponse 		None
Neoadjuvant Therapy – Treatment Effect 9 No NAACCR #1634
neoadjuvTherapyTreatmentEffect 		None
EOD Primary Tumor 999 Yes NAACCR #772
eodPrimaryTumor 		None
EOD Regional Nodes 999 Yes NAACCR #774
eodRegionalNodes 		None
EOD Mets 00 Yes NAACCR #776
eodMets 		None
SS2018 No NAACCR #764
summaryStage2018 		None
Grade Clinical 9 Yes NAACCR #3843
gradeClinical 		All SSDI
Grade Pathological 9 Yes NAACCR #3844
gradePathological 		All SSDI
Grade Post Therapy Clin (yc) No NAACCR #1068
gradePostTherapyClin 		COC
NPCR
SEER		 SSDI
Grade Post Therapy Path (yp) No NAACCR #3845
gradePostTherapy 		CCCR/Canada
COC
NPCR
SEER		 SSDI
KIT Gene Immunohistochemistry 8 No NAACCR #3865
kitGeneImmunohistochemistry 		CCCR/Canada
COC
SEER (RC)		 SSDI

Initial Context

Staging Methods

Expand All | Collapse All

Summary Stage 2018

Start

Additional Context
eod_2018_t = 90
eod_2018_m = 90
eod_2018_n = 90

Next Step

  2. Derived Summary Grade
  3. derived_summary_grade

Next Step

  2. EOD Primary Tumor
  3. ss2018_t

Next Step

  2. EOD Regional Nodes
  3. ss2018_n

Next Step

  2. EOD Mets
  3. ss2018_m

Next Step

  2. Summary Stage
  3. ss2018_derived

End

Outputs

Name Default Value Description NAACCR Item Metadata
Schema ID 00430 NAACCR #3800
schemaId 		None
Derived Version {{ctx_alg_version}} None None
Derived Summary Stage 2018 9 NAACCR #762
derivedSummaryStage2018 		None
Derived Summary Grade 2018 <BLANK> NAACCR #1975
derivedSummaryGrade2018 		None