Schema Discriminator 2: Histology Discriminator for 8020/3

This input is used for staging

Notes

**Note:** A schema discriminator is used to discriminate for histology 8020/3: Undifferentiated carcinoma to determine which Stage Group table to use. * **8020/3: Undifferentiated carcinoma with squamous component (see code 1)** Use the Squamous Cell Carcinoma Stage Group Table * **8020/3: Undifferentiated carcinoma with glandular component (see code 2)** Use the Adenocarcinoma Stage Group Table * **8020/3: Undifferentiated carcinoma, NOS (no mention of squamous or glandular component) (see code 3)** Use the Squamous Cell Carcinoma Stage Group Table

NAACCR Item

NAACCR #3927

Metadata

SSDI
Code Description Disease
1 Undifferentiated carcinoma with squamous component 16.1: Esophagus and Esophagogastric Junction: Squamous Cell Carcinoma
2 Undifferentiated carcinoma with glandular component 16.2: Esophagus and Esophagogastric Junction: Adenocarcinoma
9 Undifferentiated carcinoma, NOS 16.1: Esophagus and Esophagogastric Junction: Squamous Cell Carcinoma
<BLANK> Histology is NOT 8020, Discriminator is not necessary