理论上,质子疗法在治疗肺癌时因可以降低辐射剂量而具优势。
There is a theoretical advantage to using proton therapy to treat lung cancer because the radiation dose to the lung will be reduced.
评估使用质子疗法治疗儿科脑瘤患者的临床试验既不需要,而且也不可行。
Clinical trials are neither needed nor feasible to assess proton therapy use with paediatric brain tumours.
一些临床情况需要临床试验来证明质子疗法的有效性,而另外一些情况下需要少量形式证据。
Some clinical situations require the need for clinical trials to prove the efficacy of proton therapy, while other situations need less formal evidence.
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