Dr. Robert Chase: What if the tumor is somewhere else? There could be an ACTH-secreting tumor on her lung or pancreas. Dr. Allison Cameron: It's awfully rare. Dr. Robert Chase: Not as rare as an invisible tumor. Dr. Gregory House: Why didn't they put you in charge instead of Foreman? Oh yeah, you're the guy that killed that woman.
This quote occurs at 00:10:29-00:10:43 in the video.