liver tumorous lesion size measurement liver tumorous lesion diameter measurement 2012-09-04T02:22:41Z CMO:0001076 The distance between two specified opposite points on the periphery of a tumorous lesion found on or in the liver. A tumorous lesion is one that is or has the potential to become a tumor, that is, a neoplasm or new growth of tissue in which cell multiplication is more or less uncontrolled and progressive. Tumorous lesions include tumors, preneoplastic lesions, and hyperplastic lesions composed of histologically normal cells. VT:0010547 clinical_measurement_ontology jsmith