Hemoglobin ≥ 9.0 g/dL Absolute neutrophil count (ANC) ≥ 1.5 × 109/L (> 1500 per mm3) Platelet count ≥ 100 × 109/L (>100,000 per mm3) Serum bilirubin ≤ 1.5× institutional upper limit of normal (ULN)AST<3.0 Creatinine clearance >50mL/miN Aspartate transaminase (AST) and alanine transaminase (ALT) ≤ 2.5 × ULN (≤ 5 × ULN if documented liver metastasis are present); Serum creatinine ≤ 2.0 mg/dL or calculated creatinine clearance ≥ 50 mL/min as determined by the Cockcroft-Gault equation;