3. Laboratory values: Screening serum creatinine greater than or equal to 1.5 mg/dL, alanine aminotransferase (ALT) greater than 3 times the upper limit of normal (ULN) or 5 times the ULN in liver metastases, total bilirubin greater than 3 times the ULN, white blood cell (WBC) count <3500/mm3, absolute neutrophil (ANC) count < 2000/mm3, platelet concentration <100,000/mm3, hematocrit level <25% for females or <28% for males (transfusion is allowed during screening).