percentage of study population developing prostate tumorous lesions during a period of time 2012-07-16T12:38:45Z CMO:0000933 JSmith The number of individuals in a study population which develop new instances of prostate tumorous lesions during a certain period compared to the total number of individuals in the study population, expressed as a percentage. 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, preneoplastic lesions, and hyperplastic lesions composed of histologically normal cells. clinical_measurement_ontology prostate tumorous lesion incidence prostate tumorous lesion incidence/prevalence measurement