Every day for the first three days of the cycle, and after Ifosfamide is given, participants will also receive Cisplatin through the catheter at a steady rate over 2 hours, along with Mannitol and salt water to flush the kidneys. This treatment will be given in the hospital and will require staying in the hospital for 3-4 days. It will be repeated for a total of 4 times; once every 21 days, if the participant has high enough numbers of white blood cells and platelets.