When we find people who have lung cancer, the tumors tend to be smaller and earlier stage so that we can intervene with modalities like surgery to try and cure them.

当我们发现患有肺癌的人时，肿瘤往往比较小，且处于早期阶段，这样我们就可以通过手术等方式进行干预，试图治愈肺癌。