One or two intracavitary of low-dose rate ~ 137 Cs were performed after external radiotherapy(Dt13~20Gy/f),to deliver a total dose of Dt60Gy to point A for pre-operation cases and of Dt 80Gy for exclusive chemoradiation.

• 腔内治疗应用137铯低剂量率治疗1~2次(A点剂量Dt13~20Gy/次)。