David-
The reason for the biopsy is the 1st one came back inconclusive, but based on the PET scan, the Dr. Is assuming stage 3. In order for the Dr to set up the proper treatment she felt another biopsy was in order.

His radiation oncologist mentioned possibility of it being HPV related, but didn't feel the need to explore it further since he would treat it the same either way?

The timeline for his treatment has gotten a bit unorthodox since there was confusion between the two offices coordinating together. He is starting radiation Monday, and will have first round of chemo sometime during the week. We were told it doesn't matter when the chemo is given.

All of this is so overwhelming and I can only hope they are doing things properly.

Thank you so much for your input and questions, they help me to know what I should be asking!