Our Dog Has Grown A Large, Softball Size Mass On The Side Of Her Face Overnight. There Is Not Any Puncture Wounds Or Marks Of Any Kind. What Could This Be?
Dog is a n English mastiff-she did not have any lumps that we noticed yesterday and today she has a hard, softball size mass on the side of her face. No oozing or bite, puncture marks of any kind. She is 3 yrs old.


