MARLBOROUGH, Mass.--(BUSINESS WIRE)--Cytyc Corporation (Nasdaq: CYTC), a leading provider of surgical and diagnostic products targeting women’s health and cancer diagnostics, today announced that five-year follow-up results for the initial clinical trial of the MammoSite® Radiation Therapy System (RTS) were presented at the 8th Annual Meeting of the American Society of Breast Surgeons (ASBS).