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  2. Gastrointestinal stromal tumor - Wikipedia

    en.wikipedia.org/wiki/Gastrointestinal_stromal_tumor

    In contrast-enhanced CT images, large GISTs appear as heterogeneous masses due to areas of living tumor cells surrounding bleeding, necrosis or cysts, which is radiographically seen as a peripheral enhancement pattern with a low attenuation center. [19] In MRI studies, the degree of necrosis and bleeding affects the signal intensity pattern ...

  3. 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 ]

  4. Gastrinoma - Wikipedia

    en.wikipedia.org/wiki/Gastrinoma

    These cells are found along the side the gastric lumen of the digestive tract. [15] They play a main role in regulation of gastric secretion and motility when stimulated by nervous system. These cells in return will undergo progressive dysplastic changes starting with hyperplasia to neoplasia throughout the gastrointestinal tract. [citation needed]

  5. Gastrointestinal cancer - Wikipedia

    en.wikipedia.org/wiki/Gastrointestinal_cancer

    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 obstruction (leading to difficulty swallowing ...

  6. Tumor of the stomach - Wikipedia

    en.wikipedia.org/wiki/Tumor_of_the_stomach

    The stomach is an organ of the gastrointestinal tract that sits in the abdomen. [1] Tumors of the stomach are known as gastric tumors, and can be either benign or malignant (gastric cancer). These tumors arise from the cells of the gastric mucosa which lines the stomach. Typically, most gastric tumors are cancerous and not detected until a ...

  7. 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.

  8. 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.

  9. Gastric lymphoma - Wikipedia

    en.wikipedia.org/wiki/Gastric_lymphoma

    Primary gastric lymphoma (lymphoma that originates in the stomach itself) [1] is an uncommon condition, accounting for less than 15% of gastric malignancies and about 2% of all lymphomas. However, the stomach is a very common extranodal site for lymphomas (lymphomas originate elsewhere and metastasise to the stomach). [ 2 ]

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