Sorry to hear about your loss King, I know it is hard..but it is even harder watching the pain and suffering of those with cancer can go through. I had the same with my Grandpa also, he too was a WWII vet. Hey maybe they are up there looking down on us now together. The hardest for me was watching a very lively, proud and active man become so helpless. The ending of the suffering is a good thing and knowing they moved on to a better place definatly helps.
Stay strong and be there for other family members that need you..which I'm sure you will be, you seem to be a wonderful person. As others have said, if you do need anything, warm words or thoughts or anything just let us know..and my PM is always open!
*Hugs* to you and your family and may the lord keep you & yours in comfort in your time of need.