Is cancer I am sooo sad, I just got the call and then had to call my grandma at work to give her the news. The vet said there were two options they could remove the leg like they said before and do some tests to see if its invasive and worth removing the leg. They said that if its a cancer that spreads there is no point amputating. He goes in Wed for the biopsy please keep him in your prayers that the leg can be removed and it hasn't spread