Same disclaimer as you on expertise, but cancer basically comes from one mutation when a cell divides that causes it to start dividing out of control. So if you

Same disclaimer as you on expertise, but cancer basically comes from one mutation when a cell divides that causes it to start dividing out of control. So if you manage to starve all of those out of control cells to death, you've eradicated the cancer. The caveat is that you've got to kill _all_ of the cells, not just most of them.