Objective To study the methods and treatment effects of brachytherapy combining external radiotherapy for the metastatic cancer of brain.
目的探讨立体定向近距离放射治疗配合外照射治疗脑转移癌的方法及疗效。
Objective:To study the prevention methods of radiation caries for the patients with nasopharyngeal carcinoma receiving radiotherapy.
目的：探讨鼻咽癌放疗患者放射性龋的有效预防方法。
Purpose: to study the methods of therapy and to prevent early hypoxemia after post-radiotherapy surgical resection of oesophageal carcinoma.
目的：探讨食管癌放疗后手术早期低氧血症的预防和治疗。
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