Hi, Deb
my husband also had the Erbitux and radiation, and is doing fine now. They are probably having to do a larger target volume because they couldn't ID the primary ... but it's also possible that he fought off the primary on his own. Will the therapy be done by the end of the year?
Maria

CG to husband - SCC Tonsil T1N2M0 HPV+ Never Smoker
First symptoms 7/2010, DX 12/2010
TX 40 IRMT (1.8 gy) + 10 Cetuximab
PET Scans 6/2011 + 3/2012 clear, 5 year physical exam clear; chest CT's clear of cancer. On thyroid pills. Life is good.