<n0:ComplexTerm xmlns:n0="http://ncicb.nci.nih.gov/xml/owl/EVS/ComplexProperties.xsd#"><n0:term-name>Stage 0 Squamous Cell Carcinoma of the Esophagus</n0:term-name><n0:term-group>SY</n0:term-group><n0:term-source>NCI</n0:term-source></n0:ComplexTerm><n0:ComplexTerm xmlns:n0="http://ncicb.nci.nih.gov/xml/owl/EVS/ComplexProperties.xsd#"><n0:term-name>Stage 0 Esophageal Squamous Cell Carcinoma</n0:term-name><n0:term-group>PT</n0:term-group><n0:term-source>NCI</n0:term-source></n0:ComplexTerm><n0:ComplexTerm xmlns:n0="http://ncicb.nci.nih.gov/xml/owl/EVS/ComplexProperties.xsd#"><n0:term-name>Esophagus Squamous Cell Carcinoma in situ</n0:term-name><n0:term-group>SY</n0:term-group><n0:term-source>NCI</n0:term-source></n0:ComplexTerm><n0:ComplexTerm xmlns:n0="http://ncicb.nci.nih.gov/xml/owl/EVS/ComplexProperties.xsd#"><n0:term-name>Stage 0 Squamous Cell Carcinoma of Esophagus</n0:term-name><n0:term-group>SY</n0:term-group><n0:term-source>NCI</n0:term-source></n0:ComplexTerm><n0:ComplexTerm xmlns:n0="http://ncicb.nci.nih.gov/xml/owl/EVS/ComplexProperties.xsd#"><n0:term-name>Squamous Cell Carcinoma in situ of Esophagus</n0:term-name><n0:term-group>SY</n0:term-group><n0:term-source>NCI</n0:term-source></n0:ComplexTerm><n0:ComplexTerm xmlns:n0="http://ncicb.nci.nih.gov/xml/owl/EVS/ComplexProperties.xsd#"><n0:term-name>Stage 0 Esophagus Squamous Cell Carcinoma</n0:term-name><n0:term-group>SY</n0:term-group><n0:term-source>NCI</n0:term-source></n0:ComplexTerm><n0:ComplexTerm xmlns:n0="http://ncicb.nci.nih.gov/xml/owl/EVS/ComplexProperties.xsd#"><n0:term-name>Stage 0 Esophageal Squamous Cell Carcinoma AJCC v7</n0:term-name><n0:term-group>SY</n0:term-group><n0:term-source>NCI</n0:term-source></n0:ComplexTerm><n0:ComplexTerm xmlns:n0="http://ncicb.nci.nih.gov/xml/owl/EVS/ComplexProperties.xsd#"><n0:term-name>Esophageal Squamous Cell Carcinoma in situ</n0:term-name><n0:term-group>SY</n0:term-group><n0:term-source>NCI</n0:term-source></n0:ComplexTerm><n0:ComplexTerm xmlns:n0="http://ncicb.nci.nih.gov/xml/owl/EVS/ComplexProperties.xsd#"><n0:term-name>Squamous Cell Carcinoma in situ of the Esophagus</n0:term-name><n0:term-group>SY</n0:term-group><n0:term-source>NCI</n0:term-source></n0:ComplexTerm><n0:ComplexTerm xmlns:n0="http://ncicb.nci.nih.gov/xml/owl/EVS/ComplexProperties.xsd#"><n0:term-name>Esophageal Squamous Cell Carcinoma Stage 0</n0:term-name><n0:term-group>SY</n0:term-group><n0:term-source>NCI</n0:term-source></n0:ComplexTerm><n0:ComplexTerm xmlns:n0="http://ncicb.nci.nih.gov/xml/owl/EVS/ComplexProperties.xsd#"><n0:term-name>Oesophageal Squamous Cell Carcinoma Stage 0</n0:term-name><n0:term-group>SY</n0:term-group><n0:term-source>NCI</n0:term-source></n0:ComplexTerm>
nci:P97
<n0:ComplexDefinition xmlns:n0="http://ncicb.nci.nih.gov/xml/owl/EVS/ComplexProperties.xsd#"><n0:def-definition>Stage 0 includes: Tis (HGD), N0, M0, G1, GX, Tumor location: Any. Tis: High-grade dysplasia. N0: No regional lymph node metastasis. M0: No distant metastasis. G1: Well differentiated. GX: Grade cannot be assessed-stage grouping as G1. Tumor location: Location of the primary cancer site is defined by the position of the upper (proximal) edge of the tumor in the esophagus. (AJCC 7th ed.)</n0:def-definition><n0:def-source>NCI</n0:def-source></n0:ComplexDefinition>