You usually start by seeing your GP if you have symptoms. They will ask you about your symptoms and examine you.
They will then decide about whether to refer you for tests or to a specialist. You have further tests if you have cancer. These tests are to find out its size and whether it has spread. This is called staging.
See your GP if you notice a change that isn't normal for you or if you have any of the possible signs and symptoms of oesophageal cancer.
You might have a number of tests to help diagnose oesophageal cancer and to find out the stage. This includes a test to look inside your oesophagus (gastroscopy).