Head & neck
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Our aim was to evaluate the feasibility and efficacy of intensity-modulated radiation therapy (IMRT) with simultaneous integrated boost (SIB) technique following neoadjuvant chemotherapy for locoregionally advanced nasopharyngeal cancer (NPC). ⋯ IMRT with SIB technique for locoregionally advanced NPC was feasible and effective regarding locoregional control and development of xerostomia, even after neoadjuvant chemotherapy. Definition of gross tumor volume by postchemotherapy extent of disease was also feasible.