Liquid biopsies are tests that look for traces of cancer in bodily fluids like blood, urine and saliva.

The hope is these non-invasive biopsies become more widespread to pick up and and track cancer sooner.

At the moment applications are limited – while they’re being used in existing cancer cases, we’re far off when it comes to screening.

Guest/s

• Professor Sarah-Jane Dawson, clinician-scientist at the Peter MacCallum Cancer Centre and Centre for Cancer Research University of Melbourne