Actually I finally got Dad to start looking for a new vet for Z and his baby brother Garfield, after the whole arguing over the heartworm thing, he finally got upset when they wanted a waiver this year absolving them from not giving needles.
He's been to the vet and they've been made aware of the bumps at least on 3 visits (that I've been with my dad on) and they seem more inclined to argue with him about having Zach (the shih-tzu in question) be blood tested before they give over his he...