Stomach Tumor, also called gastric tumor, is a tumor that starts in the stomach. The stomach is a sac-like organ that holds food and start to digest it by secreting gastric juice. The food and gastric juice are mixed and then emptied into the first part of the small intestine called the duodenum. Stomach tumor tends to develop slowly over many years. Before a true cancer develops, pre-cancerous changes often occur in the inner lining (mucosa) of the stomach. Stomach tumor can spread (metastasize) in different ways. They can grow through the wall of the stomach and invade nearby organs.

There are several different stomach tumors include:

• Adenocarcinoma

These tumors develop from the cells that form the innermost lining of the stomach (known as the mucosa).

• Lymphoma

These are tumor of the immune system tissue that is sometimes found in the wall of stomach.

• Gastrointestinal stromal tumor(GIST)

These types of stomach tumor is rare which it is start in very early forms of cells in the wall of the stomach called interstitial cells of cajal.

• Carcinoid tumor

These are tumors that start in hormone-making cells of the stomach. Most of these tumors do not spread to other organs.

STOMACH TUMOR

Risk factor is anything that affects chance of getting a disease such as tumor. Different tumor has different risk factor. Other than that, having a risk factor or even several risk factors, does not mean that will get the disease. And many people who get the disease may have few or no known risk factor.

• Age

There is a increase in stomach tumor rates in people over the age of 50. Most people diagnosed with stomach tumor are between their late 60s and 80s.

• Ethnicity

Stomach tumor is more common in Hispanic Americans, African American and Asian/pacific islanders than it is in non-Hispanic whites.

• Gender

Stomach tumor is more common in men than in women.

• Helicobacter pylori infection

Infection with Helicobacter pylori (H pylori) bacteria seems to be a major cause of stomach tumor, especially tumor in the lower (distal) part of the stomach. Long-term infection of the stomach with this germ may lead to inflammation and pre-cancerous changes of the inner lining of the stomach.

• Stomach Lymphoma

People who have had a certain type of lymphoma of the stomach known as mucosa-associated lymphoid tissue lymphoma have an increased risk of getting adenocarcinoma of the stomach.

• Diet

It will increase the risk of stomach tumor if people with diet that have a large amount of smoked foods, salted fish and meat and pickled vegetables.

• Tobacco Use

The rate of stomach tumor is about doubled in smoker. Smoking increases stomach tumor risk, particularly for tumor of the upper portion of the stomach near the esophagus.

• Being overweight or obese

Being overweight or obese is a possible cause of tumor of the cardia (the upper part of the stomach nearest the esophagus.

• Previous stomach surgery

Stomach Cancer are more likely to develop in people who have had part of their stomach removed to treat non-cancerous diseases such as ulcer. This might be because the stomach make less acid, which allows more nitrite-producing bacteria to be present.

• A family History

People with first degree relatives (parent, siblings, or children) who have had stomach tumor are more likely to develop this disease.

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