Clinical use of liquid biopsies to aid in treatment and management decisions for patients with cancer is a long-held goal of precision medicine. “Liquid biopsy refers to the use of any type of body fluid to assess an aspect of disease biology or even normal biology,” said Alexander Wyatt, BSc, DPhil, an associate professor in urologic sciences at the University of British Columbia, Canada. “Typically, when we think of liquid biopsy in the context of genitourinary cancer, we are ...