If the pathologic stage differs from the clinical stage (which it may, for example, if it is evident that the lung cancer has spread more than initially estimated), then the healthcare team can adjust the treatment more precisely. The second staging, called pathologic or surgical staging, adds what is learned about the patient's cancer from surgical treatment to the determination of staging.

The clinical stage is not only the basis for deciding on a patient's treatment plan, but is also the basis for comparison when checking into the patient's response to treatment. Clinical staging is based on the results of various tests, discussed in more detail in the Diagnosing Lung Cancer section of Lung Cancer 101, including imaging tests and biopsies. This type of staging is called clinical staging. The first staging, which all patients should undergo, is carried out when a patient is initially diagnosed it should be completed before treatment begins.

To help you understand and share this information, you can request our free booklets on stages I, II, III, and IV non-small cell lung cancer that summarize the detailed information in the following sections. Recommend those treatment options that are likely to be most effective for you.Understand how advanced your lung cancer is.Treatment options are available for all stages of lung cancer, and knowing the stage helps your healthcare team: Lung cancer staging is way of describing where the lung cancer is located, if or where it has spread, and whether it is affecting other parts of the body.

What is lung cancer staging, and why is it important?

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