I'm sorry to hear of your loss and the pain you are going through just now.

I just wanted to pop in and offer a lifline should you need anyone to chat though with.

I was diagnosed with throat cancer last year but am doing well and you will find a lot of support, help and many people here  who are good listeners and others who will have shared experience as you have. Please do post on the site and I'm sure others will make contact as well. 
I hope you have family & friends that can rally around you as well.

I wish you well.

Kind regards

Ian