“Liquid biopsies” will enable doctors to screen a patient’s blood for up to 10 different types of common cancers before they even start to show symptoms by picking up on DNA markers related to the disease, as well as measuring certain proteins commonly elevated when cancer is present,
https://www.newsmax.com/thewire/liquid-biopsy-blood-screen-cancer/2018/06/01/id/863596/
‘Liquid Biopsy’ Screens Blood for Cancer Before Symptoms Detectable