Feasibility of the Research for Mutation of K-ras and EGFR in CTCs From Metastatic Non Small Cells Bronchial Carcinomas

Biological Study of Feasibility Concerning the Research for Mutation of the Gene of EGFR and for K-Ras in Circulating Tumoral Cells(CTCs) of the Patients Carriers of Metastatic Non Small Cells Bronchial Carcinomas