Stomach Cancer- Why does it catch us unawares ?

Stomach cancer is defined as the growth of cancerous cells in the stomach lining.
According to the National Cancer Institute (NCI), there will be approximately 24,590 new cases of stomach cancer every year.

Stomach cancer
Clinical stages of stomach cancer. How stomach cancer spreads?

Stomach cancer is often left undiagnosed because it doesn’t have many early symptoms – it is diagnosed when cancer spreads to other parts of the human body.

A few early signs are:
Nausea and Vomiting: Nausea is defined as a feeling of queasiness at the back of your throat or stomach. Vomiting, on the other hand, is defined as the contraction of your stomach muscles that push the digested food back through your oesophagus. Both nausea and vomiting may be early symptoms of stomach cancer especially if one’s blood shows in the vomit.
Bloating: If one faces bloating, which doesn’t ease up and persistent, it calls for a visit to the doctor and an ultrasound at least to start with.

H. Pylori Infection: If one suffers from frequent indigestion, bloating,one must get tested for bacterial Infection with H pylori, as it is the most prominent indication of people developing stomach cancer later.

Research has shown that people suffering from H.Pylori infections have a much incidence of stomach cancers.

Weight loss: Stomach tumours cause blockages, preventing food from passing into the stomach or into the intestines causing loss of appetite. Similarly, stomach cancer causes energy from food to be burned at a faster rate which combined with nutritional loss causes weight loss.

Stomach Pain: Unexplained stomach pain , the kind which persists is also a warning sign that something may be wrong.

Frequent HeartBurns:  Frequent heartburns could be because of ulcers and may also indicate that everything is not ok.

Inability to eat: As the tumour progresses, it blocks various parts of the digestive system. Coupled with body’s inability to digest food,  there is a reduced appetite, which at a later stage is often total inability to eat and digest food.

As the symptoms are so generic, they are often missed leading to diagnosis at a much later stage when the cancer has spread or metastatised to other parts of the body.

Is there a co-relation between our habits and stomach cancer?
Food: Food and stomach cancer have a direct relationship. The right dietary intake can lower the risk of stomach cancer. Storage of food through refrigeration instead of by smoking, salting and pickling also reduces the risk because the nitrates and nitrites in smoked food increase the risk of stomach cancer.
Smoking: The use of tobacco increases the risk of stomach cancer. It is said that the rate of risk of stomach cancer is doubled in smokers as compared to non-smokers. This is because smoking reduces the production of natural substances that protect the stomach and duodenum from tissue damage. Additionally, smoking promotes the duodenum reflux and increases the acidity of the duodenum making it vulnerable to H. Pylori bacteria. Smoking also constricts the blood vessels in the stomach reducing the blood flow in the stomach. All these mechanisms strengthen the link between stomach cancer and smoking.

Treatment of stomach cancer involves, surgery if detected at an early stage, followed by chemotherapy as the 1st line of treatment.

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