9. Patients must have normal serum total bilirubin level, transaminase levels (i.e., ALT and AST) no higher than 2.5 times the institution's upper normal limits. Patients must have adequate renal function: creatinine </= 1.5 mg/dL Patients must have adequate bone marrow function as defined by an absolute neutrophil count >/= 1,500/mm^3, platelet count >/= 100,000/mm^3 and hemoglobin >/= 9.0g/dL.