4. Patients must have adequate physiologic reserve as evidenced by: absolute neutrophil count (ANC) >/= 1,500/mm3(superscript) and platelet count >/= 100,000/mm3. Transaminases </= 2 times the upper limit of normal. Conjugated bilirubin </= 1.5mg/dL. Creatinine clearance (either calculated or measured) of >/= 40ml/minute.