Spoilers recently have seemingly been focused on all the other Seattle Grace doctors but Dr. Yang. Finally we've got spoilers on Dr. Yang and how she's dealing with the season finale's happenings.
What's Cristina up to when Grey's Anatomy returns? — Jenni
ADAM: She won't be great. While Cristina is usually the rock the other docs lean on, her reaction to the traumatic season finale rampage takes longer to sort out than some of the other surgeons. In fact, when she is finally cleared to go back into surgery, an accident in the OR freaks her out so much that she collapses into a sobbing mess on the floor.
Source: TV Guide