Chris. I'm very sorry to hear this but like you say, he is now without pain. He is not without all of you that love him. I know, I was there just 6 months ago. If there is anything I can do, let me know.
For now, be strong for you and for your family and we'll all say a prayer for him and for you, your wife, and your little girls.
It's a tough time for you right now, again I know. But you will get thru and the days will get better. Beyond all, he is no longer in pain.
I wish there was a magic cure and there is not but take comfort in that he has gone to a better place.
John
Hang in there bud!