My 15yo bay Arab gelding recently had a cancerous lump cut off his chest. It looked sort of like a large wart, ie no hair on it, and oozed pus if squeezed hard enough. Vet didn't like the look of it, so it was removed, and it has all healed very nicely now with no signs of it returning thus far. But on back his hind leg between the hock and dock he has another large lump about the size of a 20c piece. Vet says it is a fatty lipoma so just leave it be, but when the vet saw it, it was about the size of a 10cent piece. Lump feels hard and doesn't move under the skin. I do trust my vet's judgement but this is really starting to annoy me as it is getting larger and I think it should be cut out as it is unsightly. And it should be cut out sooner rather than later I guess. Any thoughts? Has anyone experienced lumps like these on their horses? And what did you do?