Thanks for your well wishes
Kiki is home =) with about 20 stitches on her 5 parallel cuts

. She's a strong girl.
Result of biopsy will come in about 7 days. But from their gross examination, it contained milk & pus. Suggesting her spaying wasn't done properly/completely because it meant that her mammary glands were still active. That's the theory..
I haven't seen her, but I hear they're quite satisfied with the vet's work