I think you have just outlined the biochemical explanation in the way the body deals with cancer, and is virtually synonymous with Natural Hygienes approach in the purpose of cancer...........
"The Useful Purpose of Tumors".............
"The stance of Natural Hygiene is that a tumor serves a useful purpose in
the body. Cells reproduce and pile up in one place as a defensive
measure because of chronic irritation. It is a means of protecting the
underlying tissues from any irritant, similar to the formation of a
callus. Chronic irritation from many substances, including your own
metabolic wastes in excess, can result in the formation of protective
masses. The way to prevent cancer is to avoid all irritants."
by Dr. V. Virginia Vetrano, D.C., hM.D. Ph.D.