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2. Gastrinoma - Wikipedia

   en.wikipedia.org/wiki/Gastrinoma

   Gastrin is secreted by the G cells.G cells are primarily found in the pyloric antrum but can also be found in the duodenum and the pancreas. [12] The primary function of gastrin is to induce the release of hydrochloric acid (HCl) from the parietal cells located in the fundus of the stomach.

3. Gastrointestinal cancer - Wikipedia

   en.wikipedia.org/wiki/Gastrointestinal_cancer

   Cancer of the stomach, also called gastric cancer, is the fourth-most-common type of cancer and the second-highest cause of cancer death globally. [2] Eastern Asia (China, Japan, Korea, Mongolia) is a high-risk area for gastric cancer, and North America, Australia, New Zealand and western and northern Africa are areas with low risk. [5]

4. Atrophic gastritis - Wikipedia

   en.wikipedia.org/wiki/Atrophic_gastritis

   Achlorhydria induces G cell (gastrin-producing) hyperplasia, which leads to hypergastrinemia. Gastrin exerts a trophic effect on enterochromaffin-like cells (ECL cells are responsible for histamine secretion) and is hypothesized to be one mechanism to explain the malignant transformation of ECL cells into carcinoid tumors in AMAG.

5. Stomach cancer - Wikipedia

   en.wikipedia.org/wiki/Stomach_cancer

   Stomach cancer, also known as gastric cancer, is a malignant tumor of the stomach. It's a cancer that develops in the lining of the stomach. [10] Most cases of stomach cancers are gastric carcinomas, which can be divided into a number of subtypes, including gastric adenocarcinomas. [2]

6. G cell - Wikipedia

   en.wikipedia.org/wiki/G_cell

   A G cell or gastrin cell is a type of cell in the stomach and duodenum that secretes gastrin. It works in conjunction with gastric chief cells and parietal cells. G cells are found deep within the pyloric glands of the stomach antrum, and occasionally in the pancreas [1] and duodenum. The vagus nerve innervates the G cells.

7. Helicobacter pylori - Wikipedia

   en.wikipedia.org/wiki/Helicobacter_pylori

   [55] [32] H. pylori-induced gastric cancer is the third highest cause of worldwide cancer mortality as of 2018. [56] Because of the usual lack of symptoms, when gastric cancer is finally diagnosed it is often fairly advanced. More than half of gastric cancer patients have lymph node metastasis when they are initially diagnosed. [57]