5. Patients must have adequate organ and marrow function defined as: absolute neutrophil count (ANC) >/= 1,000/mL, platelets >/=75,000/mL; creatinine </= 2 X ULN; total bilirubin </= 2 X ULN (exceptions may apply to benign non-malignant indirect hyperbilirubinemia such as Gilbert syndrome); ALT (SGPT) and/or AST (SGOT) </= 5 X ULN Exception for patients with liver metastasis: total bilirubin </= 3 x ULN; ALT (SGPT) </= 8 X ULN.