OFP-10-002 Significance of Circulating Tumor Cells (CTCs) detection using the CellSearch system in patients with locally advanced Head and Neck Squamous Cell Carcinoma (HNSCC) A. Bozec * , M. Ilie, E. Long, O. Dassonville, G. Poissonnet, J. Santini, E. Chamorey, F. Peyrade, K. Benezery, A. Sudaka, E. Selva, P. Hofman * Centre Antoine Lacassagne, Dept. of Surgery, Nice, France