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Survival statistics for small cell lung cancer
Survival statistics for small cell lung 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 small cell lung cancer and what they mean to you.
Net survival for lung cancer
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 lung cancer is 19%. This means that about 19% of people diagnosed with lung cancer will survive for at least 5 years after their diagnosis.
Survival varies with each stage of lung cancer. Generally, the earlier lung cancer is diagnosed and treated, the better the outcome.
Survival for small cell lung cancer
Many statistics for small cell lung cancer are reported as median survival. Median means the middle value, or midpoint. Median survival is the length of time after diagnosis or the start of treatment when half of the people with cancer are still alive. In other words, half of the people are expected to live at or beyond the median survival and the other half are not. For example, if 50% of people with a cancer are still alive 12 months after their diagnosis, then the median survival for that cancer is 12 months.
There are no specific Canadian statistics available for the different stages of small cell lung cancer. The following information comes from a variety of sources and may include statistics from other countries.
- Limited stage small cell lung cancer has a median survival of 12 to 16 months, with treatment.
- Extensive stage small cell lung cancer has a median survival of 7 to 11 months, with treatment.
Questions about survival
Talk to your doctor about your prognosis. A prognosis depends on many factors, including:
- your health history
- the type of lung 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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