Amy,
Erbitux was just approved by FDA for H&N cancer and some have already been having it as a standard part of their treatment protocol, so your doctors info is a little out of date. It is being used as an post Tx adjunct to CT/RT.

http://patient.cancerconsultants.com/head_cancer_news.aspx?id=30708

http://www.fda.gov/bbs/topics/NEWS/2006/NEW01329.html

Gary Allsebrook
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Dx 11/22/02, SCC, 6 x 3 cm Polypoid tumor, rt tonsil, Stage III/IVA, T3N0M0 G1/2
Tx 1/28/03 - 3/19/03, Cisplatin ct x2, IMRT, bilateral, with boost, x35(69.96Gy)
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"You are a mist that appears for a little while and then vanishes" (James 4:14 NIV)