organ tumorous lesion measurement kidney lesion measurement kidney tumorous lesion measurement 2012-10-08T03:03:01Z JSmith Measurement of a lesion in the kidney, he organ which functions to maintain proper water and electrolyte balance, regulate acid-base concentration, and filter the blood of metabolic wastes, 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.