<n0:ComplexDefinition xmlns:n0="http://ncicb.nci.nih.gov/xml/owl/EVS/ComplexProperties.xsd#"><n0:def-definition>A role used to represent that another disease or disorder will only be observed in some cases of the specified disease. Both the domain and the range for this role are 'Disease, Disorder or Finding'.</n0:def-definition><n0:def-source>NCI</n0:def-source></n0:ComplexDefinition>