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2. Upper gastrointestinal bleeding - Wikipedia

   en.wikipedia.org/.../Upper_gastrointestinal_bleeding

   Upper gastrointestinal bleeding can be caused by peptic ulcers, gastric erosions, esophageal varices, and rarer causes such as gastric cancer. The initial assessment includes measurement of the blood pressure and heart rate, as well as blood tests to determine the hemoglobin.

3. Gastrointestinal bleeding - Wikipedia

   en.wikipedia.org/wiki/Gastrointestinal_bleeding

   Lower gastrointestinal bleeding is typically from the colon, rectum or anus. [2] Common causes of lower gastrointestinal bleeding include hemorrhoids, cancer, angiodysplasia, ulcerative colitis, Crohn's disease, and aortoenteric fistula. [2] It may be indicated by the passage of fresh red blood rectally, especially in the absence of bloody ...

4. Melena - Wikipedia

   en.wikipedia.org/wiki/Melena

   Stomach cancer Melena is a form of blood in stool which refers to the dark black, tarry feces that are commonly associated with upper gastrointestinal bleeding . [ 1 ] The black color and characteristic strong odor are caused by hemoglobin in the blood being altered by digestive enzymes and intestinal bacteria .

5. 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 ...

6. Grey Turner's sign - Wikipedia

   en.wikipedia.org/wiki/Grey_Turner's_sign

   Grey Turner's sign refers to bruising of the flanks, the part of the body between the last rib and the top of the hip.The bruising appears as a blue discoloration, [1] and is a sign of retroperitoneal hemorrhage, or bleeding behind the peritoneum, which is a lining of the abdominal cavity.

7. 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 from 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 ]