Information and Updates

Liquid Biopsy: A Simple, Clear Guide to How It Works, What It Detects, and Why It’s Transforming Early Diagnosis

A liquid biopsy is a modern, minimally invasive test that detects cancer-related biomarkers from a sample of blood — instead of taking tissue from a tumor. It helps clinicians understand what’s happening inside the body at the molecular level without surgery.

Because it can identify cancer early, track tumor changes in real time, and guide personalized treatment, liquid biopsy is becoming one of the most important innovations in precision healthcare.

What Is a Liquid Biopsy?

A liquid biopsy analyzes tiny traces of tumor-derived material circulating in blood or other body fluids. These include:

ctDNA (circulating tumor DNA)