<xs:complexType name="Topographie_ICD_O_Typ">
  <xs:sequence>
    <xs:element name="Code">
      <xs:simpleType>
        <xs:restriction base="xs:string">
          <xs:pattern value="C\d\d\.\d(\d)?"/>
        </xs:restriction>
      </xs:simpleType>
    </xs:element>
    <xs:element name="Version" minOccurs="0">
      <xs:simpleType>
        <xs:restriction base="xs:string">
          <xs:enumeration value="31">
            <xs:annotation>
              <xs:documentation>ICD-O-3, 2003</xs:documentation>
            </xs:annotation>
          </xs:enumeration>
          <xs:enumeration value="32">
            <xs:annotation>
              <xs:documentation>ICD-O-3, 1. Revision 2014</xs:documentation>
            </xs:annotation>
          </xs:enumeration>
          <xs:enumeration value="33">
            <xs:annotation>
              <xs:documentation>ICD-O-3, 2. Revision 2019</xs:documentation>
            </xs:annotation>
          </xs:enumeration>
        </xs:restriction>
      </xs:simpleType>
    </xs:element>
  </xs:sequence>
</xs:complexType>