Oren Cahlon

Memorial Sloan Kettering debuts new MSK Nassau

By GREGORY ZELLER // A new chapter in Long Island’s fight against cancer is beginning, even as the book closes on a longtime regional treatment facility. New York City-based Memorial Sloan Kettering Cancer Center on Thursday cut the ribbon of MSK Nassau, an ultramodern, $180 million outpatient cancer-treatment facility located on Hempstead Turnpike in Uniondale. Slated to officially open for business Monday, the 2-story, 114,000-square-foot center replaces MSK’s 22-year-old Rockville Centre facility, which is shutting…