Methods 33 nasopharynx cancer (NPC) IMRT treatment plan were designed, then transferred to the hybrid plan in a 3D treatment plan system (CMS Xio). The reference data were obtained.

• 方法选取2005年间在本院治疗的鼻咽癌患者33例,在三维计划系统上进行计划设计,然后将治疗计划移至固体体模上,得到体模杂交计划。