2主要内容主要内容主要内容主要内容WPRT?RTOG 9413GETUG-01n照射区域:照射区域:l远端髂总远端髂总l髂外髂外l髂内髂内l骶前骶前l闭孔闭孔n上界上界:L5/S1n下界:耻骨联合上缘下界:耻骨联合上缘主要内容主要内容Viswanathan et al.IJROBP,2010.Viswanathan et al.IJROBP,2010.Lawton et al.IJROBP,2009.Michalski et al.IJROBP,2010.Michalski et al.IJROBP,2010.Gulliford et al.IJROBP,2010.Michalski et al.IJROBP,2010.Lawton et al.IJROBP,2009.Emami et al.IJROBP,1991.Lawton et al.IJROBP,2009.股股 骨骨 头头膀膀 胱胱V55 50V70 30直直 肠肠V50 50V70 20V50 5