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Cad has substantially increased the number of tumours identified .

cad系统明显增加了肿瘤病例的确诊数量。

But how do you target tumours alone ?

然而怎样才能将治疗仅限于肿瘤部位呢？

It is believed that it inhibits an enzyme that promotes cell proliferation in tumours .

研究人员认为阿司匹林阻碍了一种在肿瘤内部促进细胞增殖的酶的活动。

With this research , we have identified a potential marker for the aggressive tumours .

在这项研究中我们找到了一个恶性肿瘤潜在的标志物。

Such tumours usually occur within four weeks of birth and more often affect premature infants .

这类肿瘤通常发生出生后的四个星期内，而且往往影响早产儿。