thank you all for your responses.. i think the dog is comforting my dad.. maybe this is my dad's way of processing it, the shock of it all.. so hard to tell.. the dog was a huge part of our family, she was almost like a person..haha.. well she thought she was.. lol.. i am deefinitely going to ask the doctor on Monday.. thank you all again..

Dad-55 yrs..2/2010-DX/March 2010-Induction Chemo/35Rads 7weeks concurrent with chemo once every 3weeks/6/2010-Treatments completed-October 2010-Recurrence/December 2010-salvage surgery/clear Margins/July 2011-recurrence/weekly Erbitux treatments-5/30/12, last erbitux..
Painfree and rested 6/19/12