This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pediatrics
Which of the following is the treatment of choice for Stage-I Wilm's Tumor - 
Select and explain. 
A. Laparoscopic Nephrectomy, B. Open Nephroureterectomy, C. Chemotherapy, D. Observation
B: Open Nephroureterectomy
Answer: B: Open Nephroureterectomy 
Explanation: Ans. is 'b' i.e., Open Nephroureterectomy o The treatment of choice for Stage I Wilm's tumor is Transperitoneal Radical Nephrectomy (Radical Nephroureterectomy) followed by chemotherapy with or without radiotherapy depending on tumor histology. Treatment of Wilms tumor o Treatment of wilm's tumor consists surgical resection followed by chemo and ratiotherapy.