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Salivary Gland Cancer Treatment

Stages of Salivary Gland Cancer

After salivary gland cancer has been diagnosed, tests are done to find out if cancer cells have spread within the salivary gland or to other parts of the body.

The process used to find out if cancer has spread within the salivary glands or to other parts of the body is called staging. The information gathered from the staging process determines the stage of the disease. It is important to know the stage in order to plan treatment. The following procedures may be used in the staging process:

There are three ways that cancer spreads in the body.

The three ways that cancer spreads in the body are:

When cancer cells break away from the primary (original) tumor and travel through the lymph or blood to other places in the body, another (secondary) tumor may form. This process is called metastasis. The secondary (metastatic) tumor is the same type of cancer as the primary tumor. For example, if breast cancer spreads to the bones, the cancer cells in the bones are actually breast cancer cells. The disease is metastatic breast cancer, not bone cancer.

The following stages are used for major salivary gland cancers:


Pea, peanut, walnut, and lime show tumor sizes.
Pea, peanut, walnut, and lime show tumor sizes.

Stage I

In stage I, the tumor is in the salivary gland only and is 2 centimeters or smaller.

Stage II

In stage II, the tumor is in the salivary gland only and is larger than 2 centimeters but not larger than 4 centimeters.

Stage III

In stage III, one of the following is true:

Stage IV

Stage IV is divided into stages IVA, IVB, and IVC as follows:

Salivary gland cancers are also grouped by grade. The grade of a tumor tells how fast the cancer cells are growing, based on how the cells look under a microscope. Low-grade cancers grow more slowly than high-grade cancers.

Minor salivary gland cancers are staged according to where they were first found in the body.