he was never tested for HPV and i'm not sure why but the oncologist feels it had the characteristics of HPV. is it too late to get the samples to test?

caregiver to spouse, 55 yrs, dx 9/09 SCC BOT, T2N0,nonsmoker, nondrinker, HPV 16+ ,Lt hemiglossectomy, lt modified radical neck dissection, lt tonsillectomy,PEG 11/08 removed 2/09, 30IMRT, CT neg 4/09, neg CT 10/09