Combination Chemotherapy With or Without Radiation Therapy in Treating Young Patients With Newly Diagnosed Stage III or Stage IV Wilms' Tumor

Inclusion Criteria:

* Newly diagnosed Wilms' tumor meeting 1 of the following criteria:

* Stage IV disease with favorable histology with or without loss of heterozygosity (LOH) for 1p and 16q
* Stage III disease with favorable histology with LOH for 1p and 16q transferring from clinical trial COG-AREN0532
* Patients must begin therapy within 14 days after surgery or biopsy, unless medically contraindicated
* No bilateral Wilms' tumors (stage IV)

* Patients should be referred to COG-AREN0534
* Previously enrolled in clinical trial COG-AREN03B2
* Karnofsky performance status (PS) 50-100% (for patients \> 16 years of age) OR Lansky PS 50-100% (for patients ≤ 16 years of age)
* Bilirubin ≤ 1.5 times upper limit of normal (ULN)
* AST or ALT \< 2.5 times ULN
* Shortening fraction ≥ 27% by echocardiogram OR ejection fraction ≥ 50% by radionuclide angiogram
* Not pregnant or nursing
* Negative pregnancy test
* Fertile patients must use effective contraception
* No prior tumor-directed chemotherapy or radiotherapy unless transferring from clinical trial COG-AREN0532 OR treatment for emergent issues, as medically indicated
* No concurrent aprepitant