blue bump

Hello, My kitty has these blue discoloration around her nipple. since this one is close to the nipple the vet is concerned. Vet wants to remove it. Has anyone had any issues like this? She also has a bump on the tail which will be biopsied in June when she gets her teeth cleaned. This thing...

So, I've got this little stinker who has been with us for a few years now. She's had a couple of bumps/lumps that we've had removed over the years, all of which have turned out to be totally safe/benign. She never showed any signs of being sick or anything like that, so removing them and...