5. Patients must have normal organ and marrow function defined as: absolute neutrophil count >/=1,000/mL; platelets >/=100,000/mL; creatinine < 2.0; total bilirubin < 2.0; ALT(SGPT) </=3 X upper limit of normal (ULN); Exception for patients with liver metastasis: ALT(SGPT) </= 5 X ULN.