Stages of development of cancer and features?

Question

In the case of cancer, what happens at cell level from the start to the stage when a tumor appears

Answer 1

goto this site http://www.cancure.org/home.htm

Answer 2

When cancer is developing and at it's very early stages when removed it can be called pre-cancerous or in-situ. The in-situ means it has not spread beyond it's margins, beyond the removed tissue.

Solid tumours do not always develop in cancer, it can be present without there being a lump.

The website recommended above looks good.

Answer 3

its different for every different kind of cancer im sure.