I, too, am concerned that a PET was done mid-treatment...I'm sure one of our resident 'experts' will jump in and maybe ease your mind a bit....
We're here for you, Oscar, no matter what the prognosis, but we're praying for a 'false positive' for you.
Keep us posted!

CG to 77 y/o hubby;SCC Alveolar Ridge; Wake Forest Baptist Hosp surgery: 07/19/07; bi mod radical resection/jaw replacement;
T2 N2-B M0 Stage IV-A
28 IMRT +
6 Paclitaxel/Carboplatin
Getting stronger every day!