Precision Oncology: Understanding MRD Monitoring and the Power of ctDNA
In the modern fight against cancer, "success" is no longer defined solely by the removal of a visible tumor. Even after a surgeon achieves "clear margins" or a radiologist confirms a "complete response" on a scan, a microscopic threat often remains. This subclinical presence of cancer cells is known as Minimal Residual Disease (MRD). Because MRD involves a cell population so small it cannot be...