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Gastric Cancer: Overlooked and Deadly

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I was surprised to read that gastric (stomach) cancer is the second leading cause of cancer deaths worldwide. It's less common in the United States. The American Cancer Society estimated 21,000 new diagnoses of stomach cancer for Americans in 2010. For women, estimated deaths from gastric cancer and cervical cancer are very similar: for 2010, the numbers are 4,220 for gastric cancer and 4,210 from cervical cancer. Most of us get Pap smears every year to catch pre-cancerous polyps and prevent cervical cancer. Why aren't we trying to protect ourselves from gastric cancer?

Gastric and cervical cancers have something else in common. Both are strongly associated with infectious agents. Human papillomavirus is recognized as the cause of most cervical cancers, and a vaccine has already been developed. Helicobacter pylori is recognized as the cause of most gastric cancer. Unlike viral infections, H. pylori infection can be cured fairly easily with antibiotics since the pathogen is a bacteria. Early treatment of H. pylori infections could potentially prevent these cancers.

In the United States, five-year survival rates from gastric cancer are less than 15 percent, according to Reference 2. This paper also reports that H. pylori is the most common bacterial infection worldwide, but only a small fraction of infected people go on to develop gastric cancer. H. pylori may not be required for the development of cancer, but its attributable risk is reported as 75 percent.

A review from the Veterans Affairs Medical Center and Baylor College of Medicine identifies six major strains of H. pylori. These differ greatly in their ability to cause cancer. In east Asia, both infection rates and gastric cancer rates are high. In parts of south Asia and Africa, infection rates are high but gastric cancer rates are low. The authors suggest that screening tests for H. pylori should include data on the particular strain.

The development of gastric cancer is thought to include many steps.

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Expert HERWriter Guide Blogger

Linda, I was surprised to read the statistics you've provided. The high numbers for gastric cancer are yet another reason why those who care about people with cancer should work to reduce the "pink" overload that crowds out information and resources for other forms of the disease to use breast cancer for commercial purposes. Thanks for this very helpful information!

January 3, 2011 - 5:12pm
EmpowHER Guest

More people should know about this bc there are no symptoms for most people in the early or even later stages. People who are asian should get a colonoscopy along w/ endoscopy when seeing the gastroenterologist, not just colonoscopy. It's much more common among Asians.

January 3, 2011 - 3:36pm
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We value and respect our HERWriters' experiences, but everyone is different. Many of our writers are speaking from personal experience, and what's worked for them may not work for you. Their articles are not a substitute for medical advice, although we hope you can gain knowledge from their insight.

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