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Stomach cancer is extremely difficult to cure once it’s advanced. People with end stage stomach cancer live at least 5 years about 7% as often as people without stomach cancer.
For example, if the 5-year relative survival rate for a specific stage of stomach cancer is 70%, it means that people who have that cancer are, on average, about 70% as likely as people who don’t have that cancer to live for at least 5 years after being diagnosed.
The 5-year relative survival rate tells you what percent of people with the same type and stage of stomach cancer are alive 5 years after their cancer was diagnosed, compared with people in the overall population. For example, the 5-year relative survival rate for stomach cancer is 36%.
Once the stomach cancer reaches distant organs, the survival rate drops to 5.9%. For this reason, early diagnosis is key to improving the outlook for individuals with stomach cancer.
The current overall five-year relative stomach cancer survival rate is 33.3%. That means that one in three people treated for stomach cancer will live for at least five years following their diagnosis.
Around 20 out of 100 people (around 20%) with stage 4 stomach cancer will survive their cancer for 1 year or more after their diagnosis. Where this information comes from Cancer survival by stage at diagnosis for England, 2019
If the cancer is recurring or difficult to eradicate, patients might want to know about life expectancy, but Dr. Kankeu Fonkoua says currently published stomach cancer survival rate data are outdated.
Stage 4 stomach cancer is harder to treat than earlier stage stomach cancer. That’s because it’s no longer confined to the stomach and may involve several distant organs.
Cancer specialists estimate stomach cancer prognosis by survival rates and treatment progress. A higher survival rate usually means a better prognosis. Learn about stomach cancer five-year survival rates by stage.
Prognosis estimates the outcome for stomach cancer. It depends on many factors including the stage and HER2 status.