1.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射,确定等中心的定位方法。
2.Results After comparing the advantage and disadvantage of the old radiotherapy methods of whole centra nervous system,we think the isocenter irradi...