That's where it gets a little tricky. 棘手之处就在这里

343. Well, the mass we found is not a tumor.
     我们发现的那个组织不是肿瘤
344. Well, that's good, right?
     这是好事 对吗
345. Anything's got to be better than cancer.
     什么病都比癌症要好
346. That's where it gets a little tricky.
     棘手之处就在这里
347. The chromosomal tests have revealed
     染色体分♥析♥显示
348. that your body contains DNA from two different embryos
     你身体内的DNA来自两个不同的胚胎
349. that merged in the womb at the very beginning of development.
     早在子♥宫♥里就开始形成

来自《实习医生格蕾 第一季 第九集 Grey's Anatomy S01E09》第 346 行