?? ???????????????????
![](https://image.chezhanri.com/2019/0319/20190319112607326.jpg)
????:1?????:????vx
2????????????
3??????????
4?????????
5????????????
????????????8???????4?????????????????????????? (?????????????????? ????????????????)???????????????4??,???????????????(????????????????????)?????,????????????
?????,???????DNA(cfDNA)?(AI)?????,???????????????????
??????????????????????«???????????»(Cancer Science)??
????????????????,??????DNA?????????????????????cfDNA????????,??AI???????????????21????
??,?21?????????????????????88.38%????94.23%,???(??) ?????????????????:??????