Be sure that you have an agreement with him that regardless of what he finds, that he is to take small biopsy samples only. You don't want to wake up with some significant part of your anatomy gone. Surgeons routinely think that surgery is the only solution to things, but where this is located, surgery may not be your best course of treatment. Many of us here were dealt with using only radiation and chemo. Or surgery was reserved for things like a neck dissection and not removal of the primary lesion. In the end you want to have your treatment planned by a tumor board made up of doctors from at least three different disciplines, surgery, radiation and chemo. You want you plan to be thought through by all of them and them implemented in a comprehensive cancer center.