I was so worried about my little Damian (farthest dog in Avatar). I thought for sure he had a mast cell cancerous tumor. Everything on the internet pointed to it. My husband just called and told me it is...A FATTY TISSUE! For those who love their furry friends like family, you can only imagine how relieved I am (and my husband and Jumper too). This is a huge relief. Have a good day, everyone Hug your furbabies!