A. Within 10 days.
B. Within 2 weeks.
C. Within 3 weeks.
D. Any time after surgery.
The postoperative radiotherapy in Willm’s tumor is started within 10 days of surgery. Delay in starting RT beyond 10 days leads to tumor cell repopulation and increase in relapse rate.
Indication of RT in Willim’s tumor are:
1.Stage II, III, IV with unfavourable histology (UH)
2. Stage III & IV with favourable histology (FH)
4. Clear cell sarcoma of kidney in all stages.