Watch : Sandra Oh Reveals Why There's No ‘Grey's Anatomy’ Group ChatSandra Oh doesn't regret scrubbing out of the O.R. More than a decade after the Emmy winner exited Grey's Anatomy during its season 10 finale, she reflected on saying goodbye to her character Dr. Cristina Yang following a conversation with creator Shonda Rhimes amid salary negotiations. The 55-year-old emphasized that she took her time making the decision as she looked back at Yang's character development on the medical drama. "The creative being will dictate and you gotta follow it," she explained. "You've gotta ask it, 'What do you want to do?