Sue

Good luck. For what it's worth, my doctors also gave me much more than the accepted radiation doses (I'm up to a cumulative total of 97GY on my neck & hyboid bone area)with pretty much the same rationale yours are giving you about your Peter Mac stay.
Sorry that this has happened to you
charm

65 yr Old Frack
Stage IV BOT T3N2M0 HPV 16+
2007:72GY IMRT(40) 8 ERBITUX No PEG
2008:CANCER BACK Salvage Surgery
25GY-CyberKnife(5) 3 Carboplatin
Apaghia /G button
2012: CANCER BACK -left tonsilar fossa
40GY-CyberKnife(5) 3 Carboplatin
Passed away 4-29-13