<prompt> Which of the following is the treatment of choice for Stage I Wilms Tumor :Laparoscopic NepluoectomyOpen NephroureterectomyChemotherapyObservation  <response>: The treatment of choice for Stage I Films tumor is Transperitoneal Radical Nephrectomy Radical Nephroureterectomy followed by chemotherapy with or without radiotherapy depending on tumor histology.Treatment of Wilms tumor :Treatment of wilms tumor consists surgical resection followed by chemo and ratiotherapy. 