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Survival statistics for stomach cancer
Survival statistics for stomach cancer are very general estimates and must be interpreted very carefully. Because these statistics are based on the experience of groups of people, they cannot be used to predict a particular person’s chances of survival.
There are many different ways to measure and report cancer survival statistics. Your doctor can explain the statistics for stomach cancer and what they mean to you.
Net survival represents the probability of surviving cancer in the absence of other causes of death. It is used to give an estimate of the percentage of people who will survive their cancer.
In Canada, the 5-year net survival for stomach cancer is 25%. This means that, on average, about 25% of people diagnosed with stomach cancer will survive for at least 5 years.
Observed survival is the percentage of people with a particular cancer who are alive for a specified period of time after their diagnosis and is based on the stage of the cancer at the time of diagnosis. However, observed survival does not consider the cause of death, so people could have died from cancer or from other causes.
Survival by stage
Survival varies with each stage of stomach cancer. The following factors can also affect survival for stomach cancer.
- Stomach cancer is aggressive.
- Generally, the earlier stomach cancer is diagnosed and treated, the better the outcome.
- Often stomach cancer is not found until it is at an advanced stage, which can make it more difficult to treat.
- There are some effective treatments available for stomach cancer.
There are no specific Canadian statistics available for the different stages of stomach cancer. The following information comes from a variety of sources and may include statistics from other countries.
|Stage||5-year observed survival|
Questions about survival
Talk to your doctor about your prognosis. A prognosis depends on many factors, including:
- your health history
- the type of cancer
- the stage
- certain characteristics of the cancer
- the treatments chosen
- how the cancer responds to treatment
Only a doctor familiar with these factors can put all of this information together with survival statistics to arrive at a prognosis.
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