<prompt> True about nephrogenic rest-Associated with Wilms tumorIncreased risk of Wilms tumor in contralateral kidneyNo association with Wilms tumorAbnormal embryonal renal tissue  <response>: Robbins basic pathology. 10th edition. page no. 290 Nephrogenic rests are putative precursor lesions of Wilms tumors and are sometimes present in the renal parenchyma adjacent to the tumor. Robbins basic pathology. 10th edition. page no. 291 It is impoant to document the presence of nephrogenic rests in the resected specimen because these patients are at an increased risk for the development of Wilms tumors in the contralateral kidney. 