MARLBOROUGH, Mass.--(BUSINESS WIRE)--EXACT Sciences Corporation (NASDAQ: EXAS) announced today that the Company has been informed by officials of the American Cancer Society (ACS) that the release of updated colorectal cancer (CRC) screening guidelines, which are being drafted by the ACS and the U.S. Multi-Society Task Force (MSTF), will not be issued in June. No additional information was available regarding when the process would be completed.