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. Certain types of H. pylori have greater risks than others. Other common causes include eating pickled vegetables and smoking. Smoking increases the risk of developing gastric cancer significantly, from 40% increased risk for current smokers to 82% increase for heavy smokers. Gastric cancers due to smoking mostly occur in the upper part of the stomach near the esophagus.
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. The pathologic examination of the resected specimen shows incomplete resection or deep invasion by tumor, the patient would need a formal stomach resection.
Identified all cases of "aneurysmal" stomach cancer from November 1995 to June 1998 in Adelaide, Hobart, Perth (Australia), and Auckland (New Zealand), a total population of approximately 2.8 million, using standard diagnostic criteria and uniform community-wide surveillance and data extraction procedures.