The ideal timing of radiotherapy for WiIlm's tumor after surgery is -: (A) Within 10 days, (B) Within 2 weeks, (C) Within 2 months, (D) Any time after surgery
Answer is A. Ans. is 'a' i.e. within 10 days The postoperative radiotherapy in Wilm's tumour is staed within 10 days of surgery. Delay in staing radiotherapy beyond ten days leads to tumor cells repopulation and increases the relapse rate.