Stomach
| Primary Site | Histology | Schema Discriminator 1 |
|---|---|---|
| C160 | 8000-8149, 8154, 8160-8231, 8243-8248, 8250-8682, 8690-8700, 8720-8790, 8940-8960, 8965-8983, 9000, 9050-9111, 9270, 9300-9312, 9340-9363, 9380-9539, 9541 | 0, 3, 9 |
| C161-C166, C168-C169 | 8000-8149, 8154, 8160-8231, 8243-8248, 8250-8682, 8690-8700, 8720-8790, 8940-8960, 8965-8983, 9000, 9050-9111, 9270, 9300-9312, 9340-9363, 9380-9539, 9541 | <Any value> |
Notes
**See table above for primary sites and histologies for this schema** C160: Cardia, esophagogastric junction C161: Fundus of stomach C162: Body of stomach C163: Gastric antrum C164: Pylorus C165: Lesser curvature of stomach, NOS C166: Greater curvature of stomach, NOS C168: Overlapping lesion of stomach C169: Stomach, NOS **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 17 *Stomach*, 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 EOD Schemas with Stomach sites** * **Esophagus (including GE junction) (excluding Squamous) C160 and Schema Discriminator 1: EsophagusGEJunction (EGJ)/Stomach: 2**: 8000-8015, 8021-8046, 8060, 8071-8073, 8075-8076, 8078-8082, 8084-8149, 8154, 8160-8231, 8243-8248, 8250-8552, 8561-8682, 8690-8700, 8720-8790, 8940-8960, 8965-8983, 9000, 9050-9111, 9270, 9300-9312, 9340-9363, 9380-9539, 9541 * **Esophagus (including GE junction) Squamous: C160 and Schema Discriminator 1: EsophagusGEJunction (EGJ)/Stomach: 2**: 8020, 8050-8054, 8070, 8074, 8077, 8083, 8560 * **GIST**: 8935-8936 * **Kaposi Sarcoma**: 9140 * **Mycosis Fungoides**: 9700-9701 * **NET Stomach**: 8150-8153, 8155-8156, 8158, 8240-8242, 8249, 8683 * **Soft Tissue Abdomen and Thoracic**: 8710-8714, 8800-8803, 8810-8921, 8932-8934, 8963-8964, 8990, 8992, 9010-9016, 9030-9043, 9045, 9120-9138, 9141-9230, 9240-9262, 9271-9290, 9320-9330, 9364-9373, 9540, 9542-9580, 9582 * **Soft Tissue Rare**: 8804-8806, 8930-8931, 8991, 9020, 9044, 9231, 9581 **Note 3:** **Esophagogastric junction (EGJ)** * Cancers involving the EGJ that have their epicenter within the proximal 2 cm of the cardia (Siewert types I/II) are to be staged as esophageal cancers *(see Esophagus GE Junction schema).* * Cancers whose epicenter is more than 2 cm distal from the EGJ, even if the EGJ is involved, will be staged using the stomach schema. **Note 4:** **Schema Discriminator** * *Schema Discriminator 1: EsophagusGEJunction (EGJ)/Stomach* is used to discriminate between EsophagusGEJunction and Stomach which are coded to ICD-O-3 code C160.Data Items
| Name | Default Value | Used in Derivation | NAACCR Item | Required By | Metadata |
|---|---|---|---|---|---|
| Year of Diagnosis | No |
NAACCR #390
dateOfDiagnosis |
None | ||
| Primary Site | Yes |
NAACCR #400
primarySite |
None | ||
| Histology | Yes |
NAACCR #522
histologicTypeIcdO3 |
None | ||
| Behavior | No |
NAACCR #523
behaviorCodeIcdO3 |
None | ||
| Schema Discriminator 1 | Yes |
NAACCR #3926
schemaDiscriminator1 |
All | SSDI | |
| Type of Reporting Source | No |
NAACCR #500
typeOfReportingSource |
None | ||
| Tumor Size Clinical | No |
NAACCR #752
tumorSizeClinical |
None | ||
| Tumor Size Pathological | No |
NAACCR #754
tumorSizePathologic |
None | ||
| Tumor Size Summary | 999 | No |
NAACCR #756
tumorSizeSummary |
None | |
| Regional Nodes Positive | 99 | No |
NAACCR #820
regionalNodesPositive |
None | |
| Regional Nodes Examined | 99 | No |
NAACCR #830
regionalNodesExamined |
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 | |
| HER2 Overall Summary | 8 | No |
NAACCR #3855
her2OverallSummary |
SEER 2021– | SSDI 2021– |
| Neoadjuvant Therapy | 9 | No |
NAACCR #1632
neoadjuvantTherapy |
SEER 2021– | SSDI 2021– |
| Neoadjuvant Therapy – Clinical Response | 99 | No |
NAACCR #1633
neoadjuvTherapyClinicalResponse |
SEER 2021– | SSDI 2021– |
| Neoadjuvant Therapy – Treatment Effect | 9 | No |
NAACCR #1634
neoadjuvTherapyTreatmentEffect |
SEER 2021– | SSDI 2021– |
Initial Context
Outputs
| Name | Default Value | Description | NAACCR Item | Metadata |
|---|---|---|---|---|
| Schema ID | 00170 |
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 |