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Stomach Cancer

Medically reviewed by Last updated on Aug 31, 2022.

Most stomach cancer starts in the cells that line the stomach but may form anywhere in the stomach.

Digestive Tract


Informed consent

is a legal document that explains the tests, treatments, or procedures that you may need. Informed consent means you understand what will be done and can make decisions about what you want. You give your permission when you sign the consent form. You can have someone sign this form for you if you are not able to sign it. You have the right to understand your medical care in words you know. Before you sign the consent form, understand the risks and benefits of what will be done. Make sure all your questions are answered.


If you had surgery to remove part of your stomach, you may need to follow a special diet. This may decrease symptoms, such as dumping syndrome (food passing too quickly through your stomach and into your intestines). A dietitian may work with you to help reduce symptoms.


  • Antibiotics help prevent or fight a bacterial infection.
  • Antinausea medicine may be given to calm your stomach and prevent vomiting.
  • Pain medicine may be given. Do not wait until the pain is severe before you ask for more medicine.
  • Blood thinners may be given to prevent or treat blood clots.


  • Blood tests may be checked for anemia (lack of red blood cells). Stomach cancer can cause anemia to develop.
  • An x-ray or CT may show the size and location of the tumor and if the cancer has spread. You may be given contrast liquid to help the tumor show up better. Tell the healthcare provider if you have ever had an allergic reaction to contrast liquid.


  • Surgery called gastrectomy may be used to remove part or all of your stomach.
  • Chemotherapy medicine kills cancer cells and may also be used to shrink lymph nodes that have cancer in them.
  • Radiation therapy uses x-rays or gamma rays to kill cancer cells, and may stop the cancer from spreading.

Treatment options

The following list of medications are in some way related to or used in the treatment of this condition.

View more treatment options


You may get a blood clot in your arm or leg. This may become life-threatening. Cancer may return or spread to other organs.


You have the right to help plan your care. Learn about your health condition and how it may be treated. Discuss treatment options with your healthcare providers to decide what care you want to receive. You always have the right to refuse treatment.

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The above information is an educational aid only. It is not intended as medical advice for individual conditions or treatments. Talk to your doctor, nurse or pharmacist before following any medical regimen to see if it is safe and effective for you.

Learn more about Stomach Cancer

Treatment options

Care guides

Symptoms and treatments

Further information

Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.