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  2. Esophageal cancer - Wikipedia

    en.wikipedia.org/wiki/Esophageal_cancer

    Esophageal cancer (lower part) as a result of Barrettʼs esophagus. Male predominance is particularly strong in this type of esophageal cancer, which occurs about 7 to 10 times more frequently in men. [25] This imbalance may be related to the characteristics and interactions of other known risk factors, including acid reflux and obesity. [25]

  3. Inflammatory fibroid polyp - Wikipedia

    en.wikipedia.org/wiki/Inflammatory_fibroid_polyp

    The tumor's size, location, and complications will affect how it presents itself. [1] Common symptoms include epigastric pain and bleeding in the stomach and intestinal symptoms. [ 10 ] When it is in the esophagus , symptoms such as bleeding, [ 11 ] gastroesophageal reflux , [ 12 ] and dysphagia may occur.

  4. 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]

  5. Siewert classification - Wikipedia

    en.wikipedia.org/wiki/Siewert_classification

    The Siewert-Stein classification (often called the Siewert classification in less precise shorthand reference) is a system of anatomical classification used for adenocarcinomas of the esophagogastric junction.

  6. Gastrointestinal stromal tumor - Wikipedia

    en.wikipedia.org/wiki/Gastrointestinal_stromal_tumor

    Gastrointestinal stromal tumors (GISTs) are the most common mesenchymal neoplasms of the gastrointestinal tract. GISTs arise in the smooth muscle pacemaker interstitial cell of Cajal, or similar cells. [2] They are defined as tumors whose behavior is driven by mutations in the KIT gene (85%), [2] PDGFRA gene (10%), [2] or BRAF kinase (rare).

  7. Gastrinoma - Wikipedia

    en.wikipedia.org/wiki/Gastrinoma

    Gastrinoma is the second most common functional pancreatic neuroendocrine tumor (pNET), with a yearly incidence of approximately 0.5 to 21.5 cases per a million of people worldwide. [5] Gastrinomas are located predominantly in the duodenum (70%) and pancreas (25%). [ 20 ]

  8. Intestinal metaplasia - Wikipedia

    en.wikipedia.org/wiki/Intestinal_metaplasia

    Chronic inflammation caused by H. pylori infection in the stomach and GERD in the esophagus are seen as the primary instigators of metaplasia and subsequent adenocarcinoma formation. Initially, the transformed epithelium resembles the small intestine lining; in the later stages it resembles the lining of the colon .

  9. Hypopharyngeal cancer - Wikipedia

    en.wikipedia.org/wiki/Hypopharyngeal_cancer

    Hypopharyngeal cancer is a disease in which malignant cells grow in the hypopharynx (also known as the laryngopharynx) the area where the larynx and esophagus meet. [ 1 ] It first forms in the outer layer ( epithelium ) of the hypopharynx (last part of the pharynx), which is split into three areas.