Diagnosing and Staging Cancer

Learn about the signs and symptoms of cancer, tests to diagnose cancer, how cancer is staged, and what to expect if you're facing a possible cancer diagnosis.

A doctor's hand points to a chest x-ray

Signs and Symptoms of Cancer

Signs and symptoms of cancer depend on where the cancer is, how big it is, and how much it affects nearby organs or tissues. Learn more about common symptoms here.

Signs and Symptoms of Cancer

Cancer Tests and Staging

Cancer Staging

Staging is the process of finding out how much cancer there is in the body and where it is located. Doctors use this information to plan treatment and to help predict a person's outlook (prognosis).
Lymph Nodes and Cancer

The lymph (or lymphatic) system is a part of your body¡¯s immune system. Learn how cancer can begin in or spread to the lymph nodes.
male doctor with female patient during a ct scan
Exams and Tests for Cancer

Learn about the tests doctors commonly use to look for and diagnose cancer, to help determine if it has spread, and to monitor it during treatment.?

Related topics

Find Cancer Early

Screening increases the chances of finding certain cancers early, when they might be easier to treat. Learn more about early detection here.

Coping with a New Cancer Diagnosis

If you or a loved one are newly diagnosed with cancer, these practical resources can help you understand what to expect and how to move forward.

After Diagnosis: A Guide for Patients and Families

This brochure offers information to help you cope with a cancer diagnosis, make decisions about treatment, and talk to friends, family, and children about your cancer.