Hi Rona,
I never have as much faith in potentized formulas as regular ones in cancer cases, but for getting things started, they may help. I think the advice you gave the owner above is just as good if not better an approach. But, just so you know:
We take about a ml of herbal formula tincture and dilute it in 50 ml of spring water.
Then we succuss the formula by essentially bouncing the bottom off a resilient surface (a phone book works well) about a couple of hundred times.
The resultant blend should now be refrigerated, and succussed a further ten to fifteen times off the palm of the owners hand or a phone book before actually drawing the dose up to use it.
I would advise 0.5 ml TID. It can also be given in water and the cat's water replenished several times a day, if the cat is a good drinker. It even works in food (e.g. tuna juice).
The preparation will lose its power after a few weeks and need to be replenished.
While we use this approach with tinctures, Dr. Pamela Bouchard reports that the technique also works when you dissove a tsp or so of granular extracts in spring water and then succuss it. It won't entirely dissolve, but she feels the preparation still works well.
Good luck with your kitty!
Steve