Liquid biopsy is a non-invasive testing method that detects cancer-related genetic material (such as circulating tumor DNA) in the blood. This approach offers several advantages, including the ability to monitor cancer progression and response to treatment in real-time. It is particularly useful for cancers that are difficult to biopsy traditionally, such as certain types of lung cancer. Liquid biopsies are still under research but hold promise for early detection and personalized treatment strategies.
