A. It could be a small lipoma, a fatty tumor that is usually benign. I would have your vet take a look the next time he's in for his annual visit. If it changes suddenly in size, shape color or texture before your vet sees it, get him seen as soon as possible. Your vet can do an exam and extract a little material from it with a needle to examine under the microscope to identify it. Based on those results, they can then advise you further on any treatment needed.
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