Oh, I hope it's benign! I'll be thinking of your sweet Calico! Good luck! Our piggies and slave are wishing you an easy operation and quick and full recovery, Calico! Hugs from all of us, Joanne Spicy, Merri, Macie, Teddy (and his bride), Baci, and Sweetie Until there are none, adopt one! Don't buy while shelter animals die.