Brickster,
Here is a link to a recent study abstract dated June 7, 2010.

This study was completed in a joint effort with the Radiation Therapy Oncology Group (RTOG)and was recently presented by experts from MD Anderson CCC at the 44th annual meeting of the American Society of Clinical Oncology

http://www.mdanderson.org/newsroom/...-patients-with-oropharyngeal-cancer.html

It states:
The three-year overall survival rate for patients with HPV-positive tumors was 82.4 percent compared to 57.1 percent with HPV-negative cancer. Progression-free survival rates were 73.7 percent and 43.4 percent, respectively.



Don
TXN2bM0 Stage IVa SCC-Occult Primary
FNA 6/6/08-SCC in node<2cm
PET/CT 6/19/08-SCC in 2nd node<1cm
HiRes CT 6/21/08
Exploratory,Tonsillectomy(benign),Right SND 6/23/08
PEG 7/3/08-11/6/08
35 TomoTherapy 7/16/08-9/04/08 No Chemo
Clear PET/CT 11/15/08, 5/15/09, 5/28/10, 7/8/11