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 Nepluoectomy, B. Open Nephroureterectomy, C. Chemotherapy, D. Observation
B: Open Nephroureterectomy
Answer: B: Open Nephroureterectomy 
Explanation: The treatment of choice for Stage I Film's tumor is Transperitoneal Radical Nephrectomy (Radical Nephroureterectomy) followed by chemotherapy with or without radiotherapy depending on tumor histology.

Treatment of Wilms tumor :

Treatment of wilm's tumor consists surgical resection followed by chemo and ratiotherapy.