I took both of mine to the vet last week
My 13 year old Malamute/ White Shepard has cancer. One of the growths is giving her some problems with getting up. She is fine on carpet, but when she lays on the tile, she cant get up. Because of her age, surgery and/or chemo isnt an option.
My 14 year old Huskey has a list off issues. Growths, arthritus, bladder stones, small liver, large kidneys. Also because of his age, surgery isnt an option.
The vet says once they put them on Prednizome (or whatever) that they would be on it the rest of there lives. I can't imagine that would be long.
What prompted the vet visit were they both didn't seem right. One wasnt eating, was vomiting. After further investigation I noticed that the HOA's landscapers sprayed weedkiller on the back side of my fence (where the dogs like to lay). My vets attitude was "Don't let the dogs eat grass". WTF? What dog do you know wont eat grass?
They are both doing fine now, but I know there time is coming. For a bit I thought I would loose both of them the same day.
Use what science gives you. When its there time, you will know.