Patients in LCAH were treated by conventional radiotherapy with 40Gy,then by LCAH to the total dose of 70Gy(a fraction of 1.5Gy at twice daily,5 days per week).

• LCAH组常规放射治疗40Gy后；改用后程加速超分割推量治疗；1.；5Gy次/；2次/天；5天/周；总剂量至70Gy。