- Sufficient function of major organs as defined below. (The following criteria are satisfied in laboratory tests conducted within 14 days before registration. Laboratory tests conducted 2 weeks before registration (on the same weekday) will be included.) White blood cell count≥ 3500/mm3 Neutrophil count≥ 2000/mm3 Hemoglobin≥9.0 g/dL Platelet count≥100000/mm3 Total bilirubin≤ 2.0 mg/dL* *≤ 3.0 mg/dL in patients treated by biliary drainage for obstructive jaundice. AST and ALT≤ 150 U/L Serum creatinine≤1.2 mg/dL Creatinine clearance≥50mL/min.** **Measured values will be used if available. Otherwise, values calculated by the Cockcroft-Gault method will be used.Formula for estimation:body weight (kg) x [140 - age (years) / 72 x serum creatinine (mg/dL)] *Estimated value will be multiplied by 0.85 for females.