“…1 , 3 , 6 Although CPDN is a cystic variant of Wilms tumor, which is malignant, CPDN has limited potential for invasion and metastasis, resulting in an excellent prognosis. 9 However, adjuvant chemotherapy can be taken into consideration for obtaining a better survival outcome in cases where the tumor extends beyond the kidney or the margin of resection. 10 In the present case, radical nephrectomy was performed since partial nephrectomy would raise the risk of complications due to the tumor location.…”