Yeah I searched threads and I noticed a lot of them were on the front and had most likely been from rubbing. But since hers is on the side I feel concerned. I would have to check my feeding dates, but I'm pretty sure she was last fed 8 days ago (she eats large rats). I haven't opened her mouth to take a look yet, but from what I can see from the outside the tissue is a nice healthy pink. Which makes me think it's some type of abscess that's causing the swelling