液体活检阅读推荐文献：

Catherine Alix-Panabières. The future of liquid biopsy. Nature 579， S9 (2020) DOI： 10.1038/d41586-020-00844-5

Buscail， E. et al. High Clinical Value of Liquid Biopsy to Detect Circulating Tumor Cells and Tumor Exosomes in Pancreatic Ductal Adenocarcinoma Patients Eligible for Up-Front Surgery. Cancers 11， 1656 (2019). DOI： https：//doi.org/10.3390/cancers11111656

Cohen， J. D. et al. Detection and localization of surgically resectable cancers with a multi-analyte blood test. Science 359， 926-930 (2018). DOI： 10.1126/science.aar3247