Which of the following is the Post - Chemotherapy based staging system in Wilm's tumor:: (A) National Wilm's Tumor staging System (NWTSG), (B) National Wilm's Tumor staging System (NWTSG), (C) AJCC TNM, (D) Chadwick
Answer is B. Answer is B (International Society of Pediatric Oncology-STOP) : The post-chemotherapy based staging system is the `SLOP' staging system developed by the International society of pediatric oncology.