Liquid biopsy has three main applications: screening for cancer in asymptomatic individuals, therapy selection for cancer patients, and monitoring minimal residual disease (MRD).

“broadly speaking there's kind of three applications for for looking at tumor DNA in the blood one is screening which which we'll talk about later which is you know people who don't have cancer or 99% who don't and trying to find the individual who has cancer and invasive cancer but doesn't know it um there's this application of what we call therapy selection which is you're a cancer patient trying to decide which which targeted therapy would be best for you and then you're this other one you mentioned is a third application we call um often minimal residual disease we looking at um uh monitoring or response”