Cancer Treatment Centers of America

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Stomach cancer stages

Making an educated treatment decision begins with the stage, or progression, of the disease. The stage of stomach cancer is one of the most important factors in evaluating treatment options.

Our cancer doctors use a variety of diagnostic tests to evaluate stomach cancer and develop an individualized treatment plan. If you have been recently diagnosed, we will review your pathology to confirm you have received the correct diagnosis and staging information, and develop a personalized treatment plan. If you have a recurrence, we will perform comprehensive testing and identify a treatment approach that is suited to your needs.

Video: Cancer Staging

Cancer Staging

Stage III stomach cancer

Stage IIIA occurs when one of the following conditions are met:

  • The cancer has grown into the main muscle layer of the stomach. It has spread to seven or more lymph nodes but has not spread to tissues or organs outside the stomach.
  • The cancer has grown into the subserosa layer, but not completely through all the layers to the outside of the stomach. It has spread to between three and six nearby lymph nodes, but has not spread to tissues or organs outside the stomach.
  • The cancer has grown completely through all the layers of the stomach wall into the outer covering of the stomach, but has not started growing into nearby organs or tissues. It has spread to one or two nearby lymph nodes, but has not spread to distant sites.

Stage IIIB occurs when one of the following conditions are met:

  • The cancer has grown into the subserosa layer, but not completely through all the layers to the outside of the stomach. It has spread to seven or more nearby lymph nodes, but has not spread to distant sites.
  • The cancer has grown completely through all the layers of the stomach wall into the serosa, but has not started growing into nearby organs or tissues. It has spread to three to six nearby lymph nodes, but has not spread to distant sites.
  • The cancer has grown through the stomach wall and into nearby organs or structures. It may also have spread to up to two nearby lymph nodes. It has not spread to distant sites.

Stage IIIC occurs when one of the following conditions are met.

  • The cancer has grown completely through all the layers of the stomach wall into the serosa, but has not started growing into nearby organs or tissues. It has spread to seven or more nearby lymph nodes (N3), but has not spread to distant sites.
  • The cancer has grown through the stomach wall and into nearby organs or structures. It has spread to three or more nearby lymph nodes. It has not spread to distant sites.

We're here to guide you through the cancer journey

We understand you may be feeling overwhelmed with questions and concerns about your type of cancer and what it all means. We're here to help guide you through the process.

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An accurate cancer diagnosis

accurate cancer diagnosis

Our team of cancer experts uses advanced, minimally invasive diagnostic technology to detect cancerous cells anywhere in the body.

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