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Small Cell Lung Cancer Treatment

Stages of Small Cell Lung Cancer

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

The process used to find out if cancer has spread within the chest 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. Some of the tests used to diagnose small cell lung cancer are also used to stage the disease. (See the General Information section.) Other tests and procedures that may be used in the staging process include the following:

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 small cell lung cancer:

Limited-Stage Small Cell Lung Cancer

In limited-stage, cancer is found in one lung, the tissues between the lungs, and nearby lymph nodes only.

Extensive-Stage Small Cell Lung Cancer

In extensive-stage, cancer has spread outside of the lung in which it began or to other parts of the body.