While it seems like the entire staff of Seattle Grace is tending to Izzie Stevens’ (Katherine Heigl) cancer, she would like to assure everyone that she’s fine, get it? Just FINE. But little Izzie isn’t fine, is she? Try saying that last sentence tongue twister three times and you might wind up in a hospital bed yourself. When you’re finished watching the preview from Thursday night’s all new episode, catch up on full episodes of Grey’s Anatomy right here.