Objective To evaluate the clinical efficacy of late course accelerated fractionation radiotherapy for esophageal carcinoma. 目的探讨后程加速超分割放射治疗食管癌的临床疗效。
Patients i n the LCAF group received conventional fractionation radiotherapy of 1.8 ? Gy per fr action to a dose of 41.4? Gy/23 f/4.6 wks , followed by accelerated fraction ation irradiation using reduced fields, twice daily at 1.5? LCAF组开始为常规分割 1 .