You know, for a group that tries to avoid "absolutes," there is quite a bit of determinism in the latest replies. Glenn, unfortunately, no one can really be sure (or even "fairly sure") about what the correct answer to your question is. There is just no real basis on which to be "sure."
Brian, two top doctors at a CCC have told me that even if there ARE microscopic malignant cells, it is not clear whether or not the immune system can get rid of them. There is absolutely nothing "black and white" about this, which makes it particularly frustrating.
Gino