A tumor removed from my kidney which was cancer sovi had radiation on the kidney in 2017 I found another tumor near that area the doctor I seen inform me that it's cancer without doing a biopsy he said that when you have radiation on a tumor and if the tumor grows back around that same area it's cancer so now I have to have a biopsy and if it is cancer which again he says it is I have to have a pet scan is this true on the