Treatment for Very Low Favorable Histology Wilms Tumor

Participants in this research study have a favorable histology Wilms tumor that has some risk of returning after treatment. The purpose of this research study is to find out if subjects with a higher risk of having their tumor return will benefit from the addition of doxorubicin or the current standard treatment. Approximately 5 people will take part in this study at the University of Iowa. Study involvement will last for 25 weeks and will have follow-up examinations and tests for about 5 years.