Cancer of the stomach is a malignant neoplasm of the stomach, a tumor emanating from the epithelium of the gastric mucosa. Gastric cancer is a polyethiologic disease, but it is believed that Helicobacter pylori plays a major role in its onset and development. Clinical manifestations include: loss of appetite, gastric obstruction and bleeding. It is diagnosed by endoscopy with biopsy, X-ray examination, computed tomography and ultrasound. Treatment, as a rule, surgical, chemotherapy gives a temporary improvement. The long-term prognosis is usually unfavourable. § Epidemiology of stomach cancer In many countries, stomach cancer is the most common malignant tumor. Statistically, stomach cancer accounts for about 15.5% of all malignant neoplasms and 20.8% of deaths from malignant neoplasms. In prevalence, it takes the 4th place after lung cancer, breast cancer and colorectal cancer. Adenocarcinoma of the stomach is on the second place as the...
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