Anyone with Feline/Cat Cancerous Tumor treatment protocol information?

I am wondering if anyone has any information re: treatment protocols (& dosage/preparation info) using CDS, and/or DMSO and perhaps even DE to cure an aging cat of a cancerous teat tumor?
It is not my cat and I will probably be too late to help her as she is scheduled for put-down on Friday, but I want to try.
A couple years ago I lost my beloved cat and I wish I knew then what I know now, as I believe he would still be here if I had, sigh.....