What would cause pain around the vulva area? There is a small white patch in one area. There is pain when urinating also..

My siblings have all died from one form or another of cancer. My sister @ 54 from breast cancer and my brother @ 60 from lung cancer. My niece from leukemia . My father from lung cancer. I understand they do not like to give pap tests after 70 but I feel I should be checked.