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This Thursday isn't only the Grey's Anatomy season finale, but it's also the episode when finally says farewell to Sandra Oh's character, Dr. Cristina Yang.  As a Grey's Anatomy fan who still watches the show every week, I'm pretty bummed to see the character leave the show.  Through all of the turmoil & drama that the show's been through over the years--both onscreen & off--Cristina Yang has been one of the constants that we've been able to count on.  But not anymore.  In honor of the character, ABC has put together a touching compilation of Cristina Yang & her most memorable moments with her 'person,' Meredith Grey.  Check it out below...