Exact Sciences Corporation provides cancer screening and diagnostic test products in the United States and internationally. The company offers Cologuard, a non-invasive stool-based DNA screening test to detect colorectal cancer and pre-cancer. It also provides Oncotype DX, a gene expression tests for breast, prostate, and colon cancers; and Oncotype DX AR-V7 Nucleus Detect Test, a liquid-based test for advanced stage prostate cancer. The company's pipeline products focuses on the research and development of enhancing Cologuard's performance characteristics, and blood or other fluid-based tests. It has license agreements with MAYO Foundation for Medical Education and Research; Biocartis N.V.; and Hologic, Inc. Exact Sciences Corporation was founded in 1995 and is headquartered in Madison, Wisconsin.