What is stomach cancer?
Cells in the stomach sometimes change and no longer grow or behave normally. These changes may lead to non-cancerous (benign) tumours such as gastric polyps.
Changes to cells of the stomach can also cause precancerous conditions. This means that the abnormal cells are not yet cancer, but there is a chance that they may become cancer if they aren't treated. The most common precancerous conditions of the stomach are gastric epithelial dysplasia and gastric adenomas.
But in some cases, changes to stomach cells can cause stomach cancer. Most often, stomach cancer starts in the
Rare types of stomach cancer can also develop. These include gastrointestinal stromal tumours (GISTs) and lymphomas.
Ashley Stueck, MD, FRCPC
American Cancer Society . About Stomach Cancer . 2017 : https://www.cancer.org/.
American Society of Clinical Oncology (ASCO) . Cancer.Net: Stomach Cancer. 2020: https://www.cancer.net/.
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