Well, the vet finally called. The labs came back today. It's cancer in the mouth and in the lymph gland. Squamous cell carcinoma, which he said is a fast-moving one. He said to enjoy her while I can, and to call him when it looks like she's starting to suffer.
My poor little girl.
I may not be around for a while, as I don't think I have it in me to be entertaining right now.