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Cancer of Unknown Primary Early Detection, Diagnosis, and Staging

Find out how cancer of unknown primary is diagnosed, what tests may be done, and how it is often staged. 

Detection and Diagnosis

Learn what tests are used to diagnose and stage cancers of unknown primary.

Stages and Outlook (Prognosis)

After a cancer diagnosis, staging provides important information about the extent of cancer in the body and anticipated response to treatment.

Questions to Ask About Cancer of Unknown Primary

Here are some questions you can ask your cancer care team to help you better understand your cancer diagnosis and treatment options.

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