[Amarok]

Once the cancer starts to freely mutate it becomes much harder to contain. It's not just cleaning up defective cells, it's full on evultionary warfare between your immune system and the cancer.

[jorvi]

For the most part it is devolutionary warfare for the cancer.

[telgareith]

There is no such process.

[jorvi]

You should read up. This is basically cancer 101.