Zengalib - glad to hear you are doing so well that's terrific. Cancer is scary - and insidious - I would much rather take more with no need than less and miss some - I too am HPV neg. And I agreed with your doctor the best defense is a good offense.
May many more clear scans come your way!

Cheryl : Irritation - 2004 BX: 6/2008 : Inflam. BX: 12/10, DX: 12/10 : SCC - LS tongue well dif. T2N1M0. 2/11 hemigloss + recon. : PND - 40 nodes - 39 clear. 3/11 - 5/11 IMRT 33 + cis x2, PEG 3/28/11 - 5/19/11 3 head, 2 chest scans - clear(fingers crossed) HPV-, No smoke, drink, or drugs, Vegan