I'm HPV-33 positive and was successfully treated for tonsil cancer. I've been with my husband for about 30 years. Assuming HPV is transmitted sexually, one of us was infected before we met. I'm wondering if oral sex will increase my risk redeveloping oral cancer (e.g., since I got it once am I at a higher risk). We're going to ask our PCP later today, but my guess is she may not know the answer.