My personal opinion and oractice us that any suspicious growths should be checked out. Hope it is nothing
Thank you we are going to take her in this week it's just weird ir grew so big in a day... some one else said it could be the canine version of herpes....gross
It "could" be a wart caused by a virus. It could also be a benign or malignant growth. To be on the safe side, I would have it checked out by your Vet.