The treatment of locally recurrent nasopharyngeal carcinoma(NPC) is a troublesome problem.
鼻咽癌局部复发的处理是一个棘手的问题。
Objective:To investigate CT simulation scan in recurrent nasopharyngeal carcinoma to control x-ray dose in visual nervous.
目的：探讨CT模拟在鼻咽癌局部复发适形放疗中控制视神经剂量中的应用价值。
Objective:To investigate CT simulation scan in recurrent nasopharyngeal carcinoma to control x-ray dose in visual nervous.
目的：探讨CT模拟在鼻咽癌局部复发适形放疗中控制视神经剂量中的应用价值。
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