[NikkiDeland]

My dog Isaiah had a mast cell tumour removed a couple of months ago (he's not yet four years old). Luckily it was a grade 2 and fully excised. The only course of action for him now is follow up appts. with our vet to make sure it doesn't grow back. They truely aren't necessarily a death sentence.
Don't beat yourself up, I too didn't realize it could be cancer, especially when it would appear and disappear just as quickly. I was shocked when my vet aspirated and told me she didn't like what she saw.
I hope things go well for your girl.