Once again, just posting this here so everyone realizes that it's sarcasm... although amusing, it's not literal.
Question: What can you tell us about Booth's undiagnosed health issue on Bones? Booth isn't going to be battling a brain tumor, right?
David Boreanaz isn't leaving, is he? --Rachel
Ausiello: The answer to one of those two questions is yes.
Source: Ausiello