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,以数学记法得出等中心照技较原有照技理。

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

探讨乳腺癌放疗胸壁切线野等中心照,确定等中心定位法。