abnormal sample neoplastic sample Zoe May Pendlington tumor sample Note that this term is not meant to replace a histological or anatomical quality. While the neoplastic specification was desirable in the context of one particular use case, any further specification of children of ‘reference sample’ or ‘abnormal sample’ (e.g. benign, malignant, grade, anatomical attribution) should not become part of this subtree. Paola Roncaglia A material sample derived from neoplastic cells or tissue.