Stomach Cancer

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Stomach Cancer: What You Should Know

Last updated: Thursday, September 29, 2022 | 4 min reading time

Are you at risk of stomach cancer? Learn about the common symptoms, screening tests and treatment options available, and prevention tips to help reduce your risk of developing stomach cancer.

Stomach cancer, also known as gastric cancer, is one of the most common cancers around the world. It used to be the leading cause of cancer death until the 1980s, when it was overtaken by lung cancer.

Although the worldwide incidence of stomach cancer has declined over the last few decades due to recognition and treatment of risk factors, it remains the 7th most common cancer among males and the 9th most common cancer among females in Singapore.

Stomach cancer occurs when normal cells in any part of the stomach start changing and growing abnormally. There are many different types of stomach cancer, depending on the types of cells and part of the stomach involved.

Risk factors of stomach cancer

Risk factors of stomach cancer

In Singapore, stomach cancer is more common in men, and in individuals between the age of 50 – 70 years old. Two important risk factors for stomach cancer are helicobacter pylori (H. pylori) infections and a family history of stomach cancer. H. pylori is a bacteria which can infect the stomach and intestines. If left untreated, a H. pylori infection can lead to stomach cancer.

Other known risk factors of stomach cancer include:

Symptoms of stomach cancer

Symptoms may not be present in the early stages of stomach cancer. However, as the disease progresses, common symptoms experienced by patients include persistent abdominal pain and unexplained weight loss.

Other stomach cancer symptoms include:

Screening and testing for stomach cancer


Although there has been a steady decline in gastric cancer mortality, early detection is important so that patients may seek treatment promptly for a better prognosis or treatment outcome.

Apart from going for annual health screenings to check for potential health concerns, patients may also consider specific screening tests for stomach cancer, such as:

Staging for stomach cancer

Patients who have been clinically diagnosed with stomach cancer should undergo a staging evaluation. Knowing the stage of the disease will help guide the treatment process and enable the doctors to recommend the most suitable treatment option(s) and predict the treatment outcomes.

This is usually done following investigations through one or more of the following:

Stomach cancer treatment

Treatment options for stomach cancer will depend on the stage of the cancer. This is determined by the size, location and extent of the tumour, as well as the general health status of the patient. Treatment for stomach cancer may include a combination of any of the following:

Prevention of stomach cancer

Healthy lifestyle

Healthy lifestyle practices can be adopted to reduce the risk of developing stomach cancer. Some recommendations include:

Should you have any questions or notice anything amiss with your health, do consider a health screening or make an appointment to see your family doctor for a discussion on your condition and what can be done to address it. You can find a Parkway Shenton clinic near you here.

Article tags

Cancer prevention Health screening