My Brother Tells Me Has Melanoma, Which I Always Thought

My brother tells me has Melanoma, which I always thought was skin cancer. He say the Doctor tells him it is not. He is going in on Thurs. for a bone biopsyHe lives in Miss. and I live in Fla. so it's hard to get all the facts. He is 71 years old. YYYY@YYYY THANK YOU.gailtruax39@