Stomach cancer
Definition
Stomach cancer (also known as gastric cancer) is a disease in which the cells forming the inner lining of the stomach become abnormal and start to divide uncontrollably, forming a mass or a tumor.
Description
The stomach is a J-shaped organ that lies in the abdomen, on the left side. The esophagus (or the food pipe) carries the food from the mouth to the stomach. The stomach produces many digestive juices and acids that mix with the food and aid in the process of digestion. The stomach is divided into five sections. The first three are together referred to as the proximal stomach, and produce acids and digestive juices, such as pepsin. The fourth section of the stomach is where the food is mixed with the gastric juices. The fifth section of the stomach acts as a valve and...
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