Stage I clear cell sarcoma of the kidney: is it the time for a less intensive adjuvant treatment?

The article recently published in the International Journal of Radiation Oncology Biology Physics by Kalapurakal et al. reviewing outcomes of children with stage I clear cell sarcoma of the kidney (CCSK) treated in National Wilms Tumor Studies (NWTS) 1 to 5 has attracted a renewed attention to this topic (1)