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2. Duodenal cancer - Wikipedia

   en.wikipedia.org/wiki/Duodenal_cancer

   Duodenal cancer is a cancer in the first section of the small intestine known as the duodenum. Cancer of the duodenum is relatively rare compared to stomach cancer and colorectal cancer . Its histology is usually adenocarcinoma .

3. Small intestine cancer - Wikipedia

   en.wikipedia.org/wiki/Small_intestine_cancer

   Duodenal cancer has more in common with stomach cancer, while cancer of the jejunum and ileum have more in common with colorectal cancer. Five-year survival rates are 65%. [3] Experts [which?] believe that small intestine cancer develops much like colorectal cancer. It first begins as a small growth on the inner lining of the intestine (polyp ...

4. List of cancer types - Wikipedia

   en.wikipedia.org/wiki/List_of_cancer_types

   Basal cell carcinoma; Squamous cell carcinoma; Squamous cell skin cancer; Skin adnexal tumors (e.g. sebaceous carcinoma) Melanoma; Merkel cell carcinoma; Keratoacanthoma; Sarcomas of primary cutaneous origin (e.g. dermatofibrosarcoma protuberans) Lymphomas of primary cutaneous origin (e.g. mycosis fungoides)

5. 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 ...

6. Gastrinoma - Wikipedia

   en.wikipedia.org/wiki/Gastrinoma

   Secretin, which is a hormone released from the duodenal S cells that induces the release of pancreatic bicarbonate (HCO 3) that would neutralize the acidic environment due to high gastrin levels. Therefore, if the patient's level of gastrin remains consistently high indicating gastrin release due to tumor such as gastrinoma.

7. Carcinoid - Wikipedia

   en.wikipedia.org/wiki/Carcinoid

   They do not produce sufficient hormonal substances to cause carcinoid or other endocrine syndromes. In fact, they more closely resemble exocrine than endocrine tumors. The term 'crypt cell carcinoma' has been used for them, and though perhaps more accurate than considering them carcinoids, has not been a successful competitor.