Also, a therapy directed at the pre-malignant basal cells about to become malignant could provide a way to prevent the cancer before it becomes dangerous.

而且，针对将变为恶性的癌前基底细胞的治疗能提供一种预防癌症的方法。

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Significantly, the MSC-stimulated cancer cells do not acquire a stable metastatic phenotype; rather they revert to their pre-malignant state in the absence of contextual signals.

重要的是，受到MSC刺激的癌细胞并没有获得一个稳定的转移表现型，相反，它们会在没有背景信号的情况下回到其恶化前状态。

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Pre-and postoperative perfusion of thermochemotherapy was used in 25 cases of advanced malignant tumors of digestive tract.

对25例进展期胃肠道恶性肿瘤患者手术前后采用腹腔内热灌注化疗。

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For instance, Dannenberg says, Celebrex is being tested in human trials to prevent Barrett's Esophagus, a pre-malignant condition associated with some cases of serious acid reflux (otherwise known as heartburn) that reach up into the esophagus.

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That may allow pre-emptive treatment to be developed for people whose tumours are not yet malignant.

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