National Cancer Institute at the National Institutes of Health
National Cancer Institute: Stomach (Gastric) Cancer Patient Version
This website provides a lot of information on the stomach and stomach cancer. Learn what the symptoms of stomach cancer are and how the disease is diagnosed through various medical tests and the treatment options.
Other
Cancerlinks: Possible Causes of Stomach Cancer
This write-up, with information taken from the National Cancer Institute, explores possible causes of stomach cancer.
Other
Mamasheath.com: Stomach Cancer
This article on stomach cancer is in question/answer format and provides links to other cancer articles. At the end of the article, there is a link to an article on the stomach, which talks about the healthy stomach and its functioning.