I honestly don't know why you'd give up, I really don't.... put it this way, kill it and you won't have anything... try to save it and you MIGHT not have anything but then again, you MIGHT! And the colors I'm seeing on her just MIGHT be her natural fade? I mean, it's an auto so she won't have that much longer to go...
Don't give up on her.... bring yourself back from your kidney surgery and bring HER back with you!
Good luck....