ANAHEIM, Calif.--(BUSINESS WIRE)--Exact Sciences Corp. (Nasdaq: EXAS) today announced that data being presented this afternoon at the annual meeting of the American Association of Clinical Chemistry (AACC) demonstrates that its methylation specific technology, using a combination of DNA methylation markers, detected 100 percent of colorectal cancers and precancers at a specificity cutoff of 100 percent in a preliminary study with colorectal tissue.