Can every animal get cancer?

[Riemann]

Found an old thread about this:

Is cancer primarily a mammalian disease?

Cancer, or at least the dysregulated proliferation of cells in some manner, is the natural fate of all multicellular organisms if they live long enough. Even plants get a form of cancer. The remarkable thing is that multicellular life exists at all. For billions of years, all of life was single-celled organisms, and most of it still is. This is a more natural evolutionary state, since every cell may have descendants. As cells compete for survival, every cell has a potential evolutionary fu…