I'm sorry for your loss.
I lost my two dogs to cancer too, the first passed away when she was just 9 years old and the male dog lasted 17 years but it still hurt.
Sounds like you really loved that dog and gave it a good life.
I'm sorry for your loss and send you a lot of hugs. This is a very sad situation. My first cat died at 4 so I know that feeling too. If you need to talk to someone, my DMs are opened. Kisses to you @Shoful!