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Thymoma and thymic carcinoma are two types of cancer that start in the cells of the thymus. These types of cancer are rare.

Often it’s hard to know which medical treatment choices you might face. Would you rather let someone you trust decide for you? A durable power of attorney for health care lets you name an agent to carry out your wishes. This happens only if you can’t express your wishes yourself.

A bone scan is an imaging test that uses a special camera to form images of your bones. Learn why it's done, how to get ready for it, and what to expect before, during, and after the test.

An intravenous pyelogram (IVP) is an X-ray exam of your urinary tract (kidneys, ureters, and bladder). This test can help find stones or other problems with your urinary tract. Learn more about how the test is done and what to expect.

You can help prevent illness and injury by reading the warning label for each hazardous substance you use.

An X-ray uses a small amount of radiation to create images of your bones and internal organs. X-rays are most often used to detect bone or joint problems, or to check the heart and lungs (chest X-ray).

In some cases, acid reflux can cause throat symptoms. These include having trouble swallowing and feeling like you have a lump in your throat. Read on to learn more.

Peripheral angiography is a test that uses X-ray and contrast dye to map the blood vessels (arteries) in your lower body, legs, and arms. This can show where blood flow may be blocked.

An appendectomy is surgery to remove the appendix. The goal is to remove the appendix safely. Here's what you need to know.