Exact Sciences is a cancer diagnostics company. Co. has developed several brands in cancer screening and diagnostics, including Cologuard and Oncotype DX. Co. has developed a non-invasive screening test called Cologuard® to detect DNA and hemoglobin biomarkers associated with colorectal cancer and pre-cancer. Co. is also working on the development of additional tests for other types of cancer. Co. is also focusing its research and development efforts on building a pipeline of potential future products and services with a focus on blood-based tests. Co. is advancing liquid biopsy through biomarker discovery and validation in tissue, blood and other fluids.