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随着现代计算机技术和医学影像学技术的发展 ,肿瘤的放射治疗进入了三维适形放疗 (Ｔｈｒｅｅ -ｄｉｍｅｎｓｉｏｎａｌｃｏｎｆｏｒｍａｌｒａｄｉ ａｔｉｏｎ ,3-ＤＣＲＴ)的新时代 ,放射肿瘤学家长期追求的适形剂量分布终于得以实现。 3-ＤＣＲＴ使靶区受到确切的适形的高剂
With the development of modern computer technology and medical imaging technology, radiation therapy of tumors has entered a new era of three-dimensional conformal radiation therapy (3-DCRT). The long-sought conformal dose distribution of radiation oncologists has finally achieved achieve. 3-DCRT subjects the target area with the exact conformal high dose