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To evaluate the efficacy of intensity-modulated radiotherapy (IMRT) using reduced clinical target volumes (CTV) in the treatment of nasopharyngeal carcinoma (NPC).Between August 2003 and December 2006, 323 patients with NPC were treated with IMRT according to this institutional protocol. Presenting stages were Stage II in 63, Stage III in 166, and Stage IVA/B in 94 patients. High-risk CTV encompassed...
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