Albi has a lump too, the size of a grape, right behind his elbow. Vet checked it and said it was nothing to worry about. I'm glad Nola's is nothing to worry about. I wonder if it's hereditary?
It is frustrating when you don't know what happened, hope she heals up quickly
Years ago my Ruby came in with a long vertical cut on her side and we never figured out how she did it. She had to get stitches and has a scar now.