Objective:To investigate the methods of locate curative position of tangent field in breast cancer isocenter irradiation.

探乳腺癌放疗胸壁切线野中心照射,确定中心定位方法。

Results After comparing the advantage and disadvantage of the old radiotherapy methods of whole centra nervous system,we think the isocenter irradi...

结果经对比分析,以数学记算方法得中心照射技术较原有照射技术更合理。