OC-0274: Analysis of set-up errors in head and neck cancer treated with IMRT technique assessed by CBCT. (April 2016) - Delishaj, D.; Ursino, S.; Lombardo, E.; Matteucci, F.; La Liscia, C.; Sainato, A.; Pasqualetti, F.; Manfredi, B.; Fatigante, L.R.; Panichi, M.; Spagnesi, S.; Fabrini, M.G.