GREY'S ANATOMY - "Some Kind of Miracle" - One person's fight to live affects everyone at Seattle Grace, in the dramatic conclusion to "Grey's Anatomy's" three-episode story arc. "Some Kind of Miracle" airs THURSDAY, FEBRUARY 22 (9:00-10:01 p.m., ET) on the ABC Television Network. Elizabeth Reaser (Independent Spirit Award nominee for "Sweet Land") guest stars as a patient. (ABC/RON TOM) JUSTIN CHAMBERS, ELIZABETH REASER