The stomach is a hollow, muscular organ between the end of the oesophagus and the beginning of the small bowel. Most stomach cancers develop in cells that line the mucosa. Different types of stomach cancers are adenocarcinoma, lymphoma, gastric stromal tumours and carcinoid tumors. Stomach cancer can grow through the wall of the stomach and into nearby organs, such as the liver, pancrease or colon. It can also spread via the lymphatic system into local lymphnodes. If the cancer cells get into the bloodstream, the cancer can spread to other parts of the body, such as the liver, lungs and bones. Cells can also leak into the space around the bowel and other organs in the abdomen. Stomach cancer grows slowly. It may grow for many years before any symptoms are felt. Diagnosis of cancer of the esophagus can be made by barium X-ray of the esophagus and confirmed by endoscopy with biopsy of the cancer tissue.
Causes of stomach and oesophageal cancer
Having one or more of these risk factors does not mean that you will develop stomach or oesophageal cancer. However, these factors are often seen in people who have these cancers. Cancer of the esophagus can cause difficulty and pain with swallowing solid food. Treatment of cancer of the esophagus depends on the size, location, and the extent of cancer spread, as well as the age and health of the patient.
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