Prognostic Value of Divpenia and CD4 Count in Relapsed Breast or Lung Cancer Patients

Inclusion Criteria: * Age ≥ 18 years old, * Patients with an histologically proven, inoperable breast or lung tumour, * Metastatic disease before the start of any chemotherapy, * Signed written informed consent form, * Covered by a medical insurance, * Patient accepting the conservation of biological samples, * Locally advanced incurable disease (only breast tumour). Exclusion Criteria: * Hematological tumour, * Auto-immune disease (including HIV-positive - AIDS stage) or patients with immunosuppressive therapy, * Metastatic disease that had progressed after a first line chemotherapy, * Pregnant or lactating female or female of child-bearing potential not employing adequate contraception, * Patient deprived of liberty by a judicial or administrative, * Adult protected by law.