6. Laboratory test results within these ranges: Absolute neutrophil count >/=1.5 x 10^9/L; Platelet count >/=100 x 10^9/L; Serum creatinine </= 2.0 mg/dL; Total bilirubin </= 1.5 mg/dL; AST (SGOT) and ALT (SGPT) </= 2 x upper limit of normal (ULN) or </= 5 x ULN if hepatic metastases are present.