hemoglobin ≥ 9.0 g/dL; neutrophils ≥ 1500 cells/ µL; platelets ≥ 100 x 10^3/ µL; total bilirubin ≤ 1.5 x upper limit of normal (ULN); aspartic transaminase (AST) and alanine transaminase (ALT) ≤ 2.5 x ULN without, and ≤ 5 x ULN with hepatic metastasis; serum creatinine ≤1╳ULN，creatinine clearance >50ml/min (Cockcroft-Gault equation) INR, aPTT≤1.5 x ULN; Urine protein + 1 or less, if the urine protein > 1 +, need to collect 24 hours urinary protein determination, the total amount should be 1 gram or less