Objective To improve the repetition of placing the sufferers in the radiotherapy of the upper segment of esophagus cancer.

目的提高食管上段癌放射治疗摆位重复性。

youdao

Objective To improve the repetition of placing the sufferers in the radiotherapy of the upper segment of esophagus cancer.

目的提高食管上段癌放射治疗摆位重复性。

youdao