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Gastric Cancer Treatment (PDQ®): Treatment - Patient Information [NCI] - Stages of Gastric Cancer

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Stage III

Stage III gastric cancer is divided into stage IIIA, stage IIIB, and stage IIIC, depending on where the cancer has spread.

  • Stage IIIA: Cancer has spread to:
    • the serosa (outermost) layer of the stomach wall and is found in 1 or 2 lymph nodes near the tumor; or
    • the subserosa (layer of tissue next to the serosa) of the stomach wall and is found in 3 to 6 lymph nodes near the tumor; or
    • the muscle layer of the stomach wall and is found in 7 or more lymph nodes near the tumor.
  • Stage IIIB: Cancer has spread to:
    • nearby organs such as the spleen, transverse colon, liver, diaphragm, pancreas, kidney, adrenal gland, or small intestine, and may be found in 1 or 2 lymph nodes near the tumor; or
    • the serosa (outermost layer) of the stomach wall and is found in 3 to 6 lymph nodes near the tumor; or
    • the subserosa (layer of tissue next to the serosa) of the stomach wall and is found in 7 or more lymph nodes near the tumor.
  • Stage IIIC: Cancer has spread to:
    • nearby organs such as the spleen, transverse colon, liver, diaphragm, pancreas, kidney, adrenal gland, or small intestine, and may be found in 3 or more lymph nodes near the tumor; or
    • the serosa (outermost layer) of the stomach wall and is found in 7 or more lymph nodes near the tumor.

Stage IV

In stage IV, cancer has spread to distant parts of the body.

This information is produced and provided by the National Cancer Institute (NCI). The information in this topic may have changed since it was written. For the most current information, contact the National Cancer Institute via the Internet web site at http:// cancer .gov or call 1-800-4-CANCER.

WebMD Public Information from the National Cancer Institute

Last Updated: September 04, 2014
This information is not intended to replace the advice of a doctor. Healthwise disclaims any liability for the decisions you make based on this information.
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