How do you manage persistent tumors at the primary and/or nodal site for p16+ tonsilar SCC after definitive chemo-RT?

I would get a first PET-CT and CT with contrast (or MRI, if that was the better study pre-RT) 12-14 weeks after completion of RT/CRT. There are a number of studies on the optimal timing of PET/CT after treatment of p16+ cancers, including a case series published by my team: Wotman et al: 2019.

In my...