area of liver occupied by tumorous lesions calculated liver tumorous lesion area measurement total surface area of liver occupied by tumorous lesions 2013-08-06T17:02:30Z A measurement of the total extent of the two-dimensional surface of the liver occupied by tumorous lesions, i.e., the sum of all measured areas on the outer, superficial or external aspect of an individual liver occupied by tumorous lesions. A tumorous lesion is one which 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 and preneoplastic lesions, as well as hyperplastic lesions composed of histologically normal cells. CMO:0001761 JSmith VT:0010547 clinical_measurement_ontology total area of tumorous lesions in an individual liver total area of tumors in a single liver