Actually, as cancers develop in an individual patient, an individual cancer cell might be different - a little bit different - from the cell that's sitting right next to it. And so there's heterogeneity, we call it. It makes the problem that much harder.
Tyler JacksThe challenge is that if you stimulate your immune system, it might get over-stimulated. And it might actually start causing harm to normal cells in your body. So we have to work a balance between attacking the cancer and not attacking yourself.
Tyler Jacks