Stomach cancer, also known as gastric cancer, is a cancer that develops from the lining of the stomach. It can may spread from the stomach to other parts of the body, particularly the liver, lungs, bones, lining of the abdomen and lymph nodes.

In the United States, five-year survival is 28%,while in South Korea it is over 65%, partly due to screening efforts.

Globally, stomach cancer is the fifth leading type of cancer and the third leading cause of death from cancer, making up 7% of cases and 9% of deaths.

In 2012, it newly occurred in 950,000 people and caused 723,000 deaths.

The cause is believed to be due to the eating of less salted and pickled foods as a result of the development of refrigeration as a method of keeping food fresh.

Stomach cancer occurs most commonly in East Asia and Eastern Europe and it occurs twice as often in males as in females.
Symptoms Of Cancer
These may include :
heartburn, upper abdominal pain, nausea and loss of appetite.
Later signs and symptoms may include:
weight loss,
yellowing of the skin and whites of the eyes,
difficulty swallowing and blood in the stool among others.

a sensation of being very full during meals
feeling bloated after meals
frequent burping
heartburn
indigestion that does not resolve
stomach ache
pain in the breastbone
trapped wind
vomiting, which may contain blood.

However, many of these symptoms are very similar to those of other, less serious conditions. However, anyone with an increased risk for stomach cancer who experiences swallowing difficulties should seek prompt medical treatment.

As the stomach cancer becomes more advanced, some people might experience the following symptoms:
anemia
a buildup of fluid in the stomach, which may cause the stomach to feel lumpy to the touch
black stools that contain blood
fatigue
loss of appetite
weight loss

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