So a few decades ago, correlations began to emerge from the analysis of tumor tissue.

所以几十年前，相关性开始从肿瘤组织的分析中浮现出来。

I mean, there's a variety of tests that we use to help cancer patients, but the mainstay of the types of tests we use are the ones where, what we're doing is, we're actually testing the tumor tissue.

我们可以利用各种检测来帮助癌症患者，但主要检测种类就是我们在做的——检测肿瘤组织。