 ulcers. There's a lot of different reasons, but there are colics that just seem to be, there's not really a defined reason for the colic. And then there's also some predispositions. So I saw a strangulating lipoma colic when I was in school, for example, and it was because it was in an Arabian and they do tend to form more intra-abdominal fat. So they're kind of known for having these, what they call pedunculated lipomas, which is a