Gastric cancer
Gastric cancer: A malignant tumor of the stomach. Gastric cancer can develop in any part of the stomach and can spread from the stomach to other organs. Symptoms of stomach cancer are often vague, such as loss of appetite and weight. Gastric cancer is diagnosed via a biopsy of stomach tissue during an endoscopy. Also called stomach cancer.
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- Gastric outlet
Gastric outlet: The exit from the stomach through the pyloric channel and duodenum.
- Gastric MALT lymphoma
Gastric MALT lymphoma: A low-grade malignant lymphoma of the stomach associated with chronic infection by the bacterium H. pylori. Three-quarters of gastric MALT lymphomas regress after the eradication of H. pylori with antibiotics. The one-quarter that are unresponsive to antibiotics carry a characteristic chromosomal translocation or are at an advanced stage. The translocation is of […]
- Gastric outlet obstruction
Gastric outlet obstruction: Any disease that mechanically impedes gastric emptying, the normal emptying of the stomach. There is obstruction of the channel of the pylorus and duodenum through which the stomach empties. The cause of the obstruction may be a benign or malignant disease. The most common malignancy that produces gastric outflow obstruction is pancreatic […]
- Gastric sleeve Definition
Gastric sleeve: also known as sleeve gastrectomy, a type of weight loss (bariatric) surgery that renders the stomach smaller. In gastric sleeve surgery, over half of the stomach is removed, leaving a thin vertical sleeve, or tube, in place of the normally-sized stomach. This results in an inability to eat the same volumes of food […]
- Gastric stapling
Gastric stapling: A surgical procedure that converts the upper part of the stomach into a very small pouch by stapling portions of the stomach together, forcing an obese person to eat only tiny portions yet still feel full. It is normally done only in severe cases, and in combination with diet and exercise. A similar […]