Learn about the different kinds of stomach cancers and its risk factors and symptoms.
Stomach cancer, or gastric cancer, is a condition that grows slowly. A patient diagnosed with it has cancer cells forming in the inner lining of the stomach, which eventually grows into a tumor unless treated properly. Almost 95 percent of stomach cancers begin in the glandular tissue that lines the stomach and the tumor can grow along the stomach wall or spill cancerous cells into the bloodstream and lymphatic system. Once this stage passes, it can metastasize into other organs. Understanding the symptoms of stomach cancer is key in diagnosing the condition and treating it early. Experts are still inconclusive about what exactly causes stomach cancer but research has outlined the factors that can increase your risk of contracting it.
Stomach cancers are classified into different types depending on the kind of tissue at which the cancer cells originates.
-Adenocarcinoma is the most common type of stomach cancer and begins in the glandular stomach lining.
-Sarcoma is when a malignant tumor appears on connective or other non-epithelial tissue like muscles, fat or blood vessels.
-Lymphoma is a group of blood cell tumors that develops from lymphocytes, a blood cell involved with the immune system.
-Carcinoma is a type of cancer that develops from epithelial cells.
-Metastatic cancers are developed when cancer cells spread to the stomach but have originated from the any other organ like the breast or lungs.
A common bacteria called Helicobacter pylori (H. pylori) which lives in the mucous lining of the stomach can cause infections that can increase your risk of stomach cancer. Another condition known as gastritis can also lead to stomach cancer if not treated properly. Gastritis is usually a result of alcohol abuse, chronic stress, excessive vomiting and regular use of drugs like aspirin and anti-inflammatory medication. A form of anemia that occurs when the stomach can’t produce a naturally occurring substance that digests vitamin b12 is also a risk factor. Other risk factors include:
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