如前所述,癌症源于正常细胞转变为肿瘤细胞的多阶段过程,通常从癌前病变发展 到恶性肿瘤。这些变化是一个人的遗传因素与三种外部因素相互作用的结果,外部 因素包括:主要原理是使用高專一性的單株抗體直接結合到腫瘤細胞特有的蛋白質或是細胞激素,影
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