prostate tumorous lesion measurement prostate tumorous lesion number 2012-07-03T10:05:30Z CMO:0000884 JSmith The number of tumorous lesions in the prostate gland, the gland surrounding the male urethra just below the base of the bladder which secretes a fluid that constitutes a major portion of the semen. 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. VT:0010571 clinical_measurement_ontology