- Patients are not eligible if they have received local radiation which includes any of the following: 1200 centigray (cGy) to more than 33% of both kidneys (patient must have at least 1 kidney that has not exceeded the dose/volume of radiation listed) or 1800 cGy to more than 30% of liver and/or 900 cGy to more than 50% of liver; emergency local irradiation is allowed prior to study entry, provided the patient still meets eligibility criteria