what are the most frequent causes of cancer that lead to death,

什么是导致致死癌症的最普遍的因素
and in both men and women,

在男性以及女性中
lunch cancer is number one.

肺癌是第一的
After that it changes the top three in men being lung,

此后在男性中的前三位在肺癌
colon and prostate; in women lung,

结肠癌和前列腺癌中变化在女性中
breast and colon and accounting for just those top three,

肺癌乳腺癌结肠癌
the large majority of cancers.

这些癌症占了癌症中的大多数
Cancer of the pancreas is much less common

胰腺癌相对就不那么常见
but because it's so difficult to detect

但因为它难于被发现
and we'll talk about methods of detection.

我们将讨论各种诊断方法
The pancreas is an organ that's deep within your body

胰腺位于我们身体中较深的部位
and it's hard to find when things are going wrong with it.

在事情变得不对劲的之前是难于察觉的