<n0:ComplexDefinition xmlns:n0="http://ncicb.nci.nih.gov/xml/owl/EVS/ComplexProperties.xsd#"><n0:def-definition>A role used to represent that a particular cytogenetic abnormality will only be present in some cases of the disease. The domain and the range for this role are 'Disease, Disorder or Finding' and 'Molecular Abnormality', respectively.</n0:def-definition><n0:def-source>NCI</n0:def-source></n0:ComplexDefinition>