2.18 years or older 3.ECOG Performance Status no more than 2; 4.Appraisable disease, the presence of at least three lesions if longest diameter <10 mm by brain MRI; 5.Haemoglobin 10.0 g/dl, Absolute neutrophil count (ANC) 1.5 x 10E9/L, platelets 100 x 10E9/L; 6.Total bilirubin 1.5 x upper limit of normal (ULN); 7.ALT and AST < 2.5 x ULN in the absence of liver metastases, or < 5 x ULN in case of liver metastases; 8.Creatinine clearance 60ml/min (calculated according to Cockcroft-gault formula).