Stomach cancer, also called gastric cancer, is a cancer that starts in the stomach. To understand stomach cancer, it helps to know about the normal structure and function of the stomach. Diagnosis is usually by biopsy done during endoscopy. This is then followed by medical imaging to determine if the disease has spread to other parts of the body. Japan and South Korea, two countries that have high rates of disease, screen for stomach cancer. Surgery remains the only curative therapy for stomach cancer.
In nonequatorial South America, 34% of 450 cases from Santiago (Chile) were cerebral stomach cancer and 12% were subarachnoid stomach cancer . Finally, in Buenos Aires (Argentina) the frequency of stomach cancer were higher among Argentinean natives versus white immigrants (34% versus 27%)