<n0:ComplexTerm xmlns:n0="http://ncicb.nci.nih.gov/xml/owl/EVS/ComplexProperties.xsd#"><n0:term-name>Gastrointestinal System Neuroendocrine Neoplasm</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>Gastrointestinal Neuroendocrine Neoplasm</n0:term-name><n0:term-group>PT</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>A neoplasm with neuroendocrine differentiation arising from the gastrointestinal system. It includes neuroendocrine tumors (well-differentiated endocrine tumors or carcinoid tumors and well differentiated endocrine carcinomas) and neuroendocrine carcinomas (poorly differentiated neuroendocrine carcinomas, small cell carcinomas, and large cell neuroendocrine carcinomas).</n0:def-definition><n0:def-source>NCI</n0:def-source></n0:ComplexDefinition>