Health ctDNA in Cancer: Prognostic Tool or Guide for Treatment Decisions? by Dr Natalie Singh - Health Editor June 11, 2026 by Dr Natalie Singh - Health Editor June 11, 2026 Circulating tumor DNA (ctDNA) testing is a rapidly evolving tool in oncology, used to detect molecular residual disease after cancer treatment. While these liquid biopsies can identify cancer markers before … 0 FacebookTwitterPinterestEmail