Prognosis and survival for stomach cancer
If you have stomach cancer, you may have questions about your prognosis. A prognosis is the doctor's best estimate of how cancer will affect someone and how it will respond to treatment. Prognosis and survival depend on many factors. Only a doctor familiar with your medical history, the type and stage and other features of the cancer, the treatments chosen and the response to treatment can put all of this information together with survival statistics to arrive at a prognosis.
A prognostic factor is an aspect of the cancer or a characteristic of the person (such as age) that the doctor will consider when making a prognosis. A predictive factor influences how a cancer will respond to a certain treatment. Prognostic and predictive factors are often discussed together. They both play a part in deciding on a treatment plan and a prognosis.
The following are prognostic and predictive factors for stomach cancer.
Stage@(headingTag)>
Tumours that have not grown beyond the stomach wall have a better prognosis than tumours that have grown through the wall.
The number of lymph nodes that the cancer has spread to affects the prognosis. If the cancer has spread to 3 or more lymph nodes, the prognosis is less favourable than if it hasn't spread to the lymph nodes or has only spread to 1 or 2 lymph nodes. If the cancer has spread to 7 or more lymph nodes, the prognosis is even less favourable.
Find out more about stages of stomach cancer.
HER2 status@(headingTag)>
People diagnosed with HER2-positive stomach cancer have a poorer prognosis because this type of cancer tends to grow quickly (be aggressive).
Find out more about the HER2 status test.
Surgery to remove the cancer@(headingTag)>
Stomach cancer that is completely removed with no cancer cells in the healthy
tissue taken along with the tumour (called negative surgical
Where the tumour started in the stomach@(headingTag)>
Tumours found in the lower part of the stomach (distal stomach) have a better prognosis than tumours found in the upper (proximal) part of the stomach.
Lymph or blood vessels with cancer@(headingTag)>
If stomach cancer has moved into small lymph vessels or blood vessels (called lymphovascular invasion, or LVI) or into lymph nodes around the stomach, the prognosis is poorer. These cancers have a much higher risk of spreading to other parts of the body.
Type of tumour@(headingTag)>
Intestinal adenocarcinoma has a better prognosis than diffuse adenocarcinoma.
Grade@(headingTag)>
Find out more about grading stomach cancer.
Survival statistics for stomach cancer
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