ON THIS PAGE: You will learn about how doctors describe a cancer’s growth or spread. This is called the stage. Use the menu to see other pages.
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Staging is a way of describing where the cancer is located, if or where it has spread, and whether it is affecting other parts of the body.
Doctors use diagnostic tests to find out the cancer's stage, so staging may not be complete until all of the tests are finished. Knowing the stage helps the doctor recommend the best kind of treatment and can help predict a patient's prognosis, which is the chance of recovery. There are different stage descriptions for different types of cancer.
The TNM staging classification used to stage other types of cancers into stages I through IV (1 through 4) is medically complex for bile duct cancer. The headings listed below provide a simpler way to describe the stages of bile duct cancer. By classifying each cancer into 1 of these categories, the health care team can then plan the best treatment strategy.
Local. This type of bile duct cancer is located only within the bile duct and can be removed surgically. There is no evidence of spread to areas outside of the bile duct.
Locally advanced. This type of bile duct cancer is located only in the area around the bile duct, but it does affect nearby organs, arteries, or veins. There is no evidence of spread to distant parts of the body.
Metastatic. The tumor has spread beyond the area of the bile duct to reach distant parts of the body. It is unlikely that surgery can remove all of the cancer.
Recurrent. Recurrent cancer is cancer that has come back after treatment. If there is a recurrence, the cancer may need to be staged again (called re-staging) using the system above. It is very rare for recurrent bile duct tumors to be re-staged as “local.”
Information about the cancer’s stage will help the doctor recommend a specific treatment plan. The next section in this guide is Types of Treatment. Use the menu to choose a different section to read in this guide.