RT Book, Section A1 Davidoff, Andrew M. A2 Ziegler, Moritz M. A2 Azizkhan, Richard G. A2 Allmen, Daniel von A2 Weber, Thomas R. SR Print(0) ID 1100439182 T1 Nephroblastoma (Wilms Tumor) T2 Operative Pediatric Surgery, 2e YR 2014 FD 2014 PB McGraw-Hill Education PP New York, NY SN 978-0-07-162723-8 LK accesspediatrics.mhmedical.com/content.aspx?aid=1100439182 RD 2024/04/19 AB Wilms tumor is the second most common abdominal tumor in children and accounts for 95% of the renal tumors in children.The overall survival for all patients with Wilms tumor is >90%.For unilateral tumors, upfront resection with lymph node biopsy is the current recommendation from the Children's Oncology Group.Children with bilateral renal masses require no biopsy; they are begun on 3-drug chemotherapy for 6 to 12 weeks prior to local control with nephron-sparing surgery.Patients are treated on risk-based protocols with molecular risk factors being integrated into the assessment that includes stage and histology.