组织剂量率
Little error might lead insufficient tumor lethal dose or excessive normal tissue dose. Tumor control rate will be lower and normal tissue complication probability rise, research shows that radiotherapy accuracy increase 1% will lead to 2% increase of cancer cure rate.
微小的误差将导致肿瘤致死剂量不足或正常组织的过量照射,从而使肿瘤局部未控或出现严重的正常组织并发症。研究表明放疗精度每提高1%,癌症治愈率就会提高2%。
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