In the CV group, postoperative radiotherapy was delivered to 54.3 Gy in 27 fractions for 5-6 weeks, while the CF group with 53.9 Gy total dose in 26 fractions for 5-6 weeks.

• 其中常规放疗组(CV组)90例；三维适形放疗组(CF组)77例。 CV组放疗中位剂量为54.；3Gy/27次；CF组放疗中位剂量为53