Sandra Ohs character Cristina Yang left Grey's Anatomy at the end of season 10. In the storyline, Yang and Hunt distance themselves from each other as they keep fighting over the abortion, despite attending marriage counseling. Hunt has a one-night stand with a patient's friend, leaving Yang heartbroken. She decides to move on, unsure of her future with him. As the end of the fifth year of residency is near, the surgical residents, including Yang, prepare for their medical boards and for the different fellowships they plan on joining. To explain Cristina's exit, the character moved to Switzerland.