Your GP will ask you about your symptoms including what they are, when you get them and whether anything you do makes them better or worse.
They will decide about whether to refer you for tests or to a specialist. If you have a cancer you will have more tests to find out how big it is and whether it has spread, this is called staging.
Find out what happens when you see your GP and how to get the most out of your appointment.
Your GP should arrange for you to see a specialist within 2 weeks if you have symptoms that could be due to stomach cancer. This is called an urgent referral.
Find out why there's no national screening programme for stomach cancer.
You might have a number of tests to help diagnose stomach cancer or to see how the big the cancer is and whether it has spread (the stage).