Hi

I don't have stomach cancer and don't know anything about a specific diet I'm afraid, but I have experienced problems eating. 

I don't know how easy it'll be, but you could see if your hospital dietician might be able to help. She was good at suggesting build up foods and shakes. 

There are also quite a few cancer cook books. You can find them on Amazon or live better with cancer. Macmillan do one too which is free, but it's not very big and again not specific to stomach cancer.

Good luck with the eating and the treatment! 

When I was on EOX (a similar chemo regime) I had quite a few home made power shakes - full fat milk blitzed with various combinations of peanut butter, bananas, strawberries - basically anything that I could keep down. I also had a lot of homemade soups.

If you Google home made power shakes and smoothies you'll get lots of ideas there.

Best wishes
Dave