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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

   Squamous cell cancer, upper oesophagus. Gastrointestinal cancer refers to malignant conditions of the gastrointestinal tract (GI tract) and accessory organs of digestion, including the esophagus, stomach, biliary system, pancreas, small intestine, large intestine, rectum and anus. The symptoms relate to the organ affected and can include ...

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. Signs and symptoms of cancer - Wikipedia

   en.wikipedia.org/wiki/Signs_and_symptoms_of_cancer

   Cancer is a group of diseases involving abnormal cell growth with the potential to invade or spread to other parts of the body. [3] [4] Cancer can be difficult to diagnose because its signs and symptoms are often nonspecific, meaning they may be general phenomena that do not point directly to a specific disease process.