In-depth

CT scan

A CT scan is an imaging test that uses X-rays to produce detailed images of the inside of your body.

Fatigue

Fatigue can signal many things. Here are some tips to help you decipher why you're wiped out and to regain your energy.

Positron emission tomography scan

Radiation therapy

Upper endoscopy

Find out what to expect during your endoscopy exam.

Apr. 26, 2013

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