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汉语拼音：fàng liáo

用放射性核素 治疗。以放射性核素在衰变中放射的射线（主要是β线）抑制或破坏病变组织。用于治疗癌症。

• Overall, women who did not complete radiation had a slightly higher risk of cancer recurrence over the next 5 years.

  总的来说，没有完成规定放疗的妇女5年后有较高的癌症复发的可能性。

• Polymer gel dosimetry has been used to measure the radiotherapy dose homogeneity in a breast phantom for two different treatment methods.

  聚合物凝胶剂量已被用来衡量放疗剂量均匀性乳房假体在两种不同的治疗方法。

• The team have found that blocking the action of a gene seems to make healthy cells immune to even very large doses of radiation.

  这个研究小组发现，阻断一种基因可以使健康细胞对放疗产生免疫力，即使对于大剂量的放疗也同样有效。

• Lung tumor motion due to breathing is one of the main factors hindering the dose escalation of radiotherapy.

  肺肿瘤随呼吸运动是制约放疗剂量提升的主要因素之一。

• Thoracic radiotherapy has been a key component of local treatment for the patients with non small cell lung cancer(NSCLC).

  放疗仍是非小细胞肺癌（NSCLC）重要的局部治疗手段。

• But sometimes the cancers spread to other parts of the body or partially resist radiation and grow back later.

  但有时肿瘤会扩散到身体其他部位，以及局部对放疗不敏感而复发。

• Use genes to protect healthy cells from the side effects of therapy, allowing higher doses of chemotherapy and radiation to be given.

  使用基因保护健康的细胞免受治疗的副作用，允许给予更高的化疗和放疗的剂量。

• Combined chemoradiotherapy is increasingly becoming a standard of care for the nonoperative management of a variety of solid malignancies.

  联合化放疗已日益成为许多实体恶性肿瘤非手术治疗中的治疗标准。

• Scarbrough explained that the one of the main considerations of radiation oncologists treating prostate cancer is to reduce rectal damage.

  Scarbrough表示，目前肿瘤学家在使用放疗治疗前列腺癌时的一个主要考虑就是如何降低对于直肠的损伤。