In-depth

Symptoms

Fatigue

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

Nausea and vomiting

Sick to your stomach? Nausea and vomiting usually pass quickly but sometimes result from long-term or serious conditions.

Unexplained weight loss

Unexplained weight loss: Symptom — Overview covers possible causes of unexplained weight loss.

Tests and diagnosis

Barium enema

Has your doctor recommended a barium enema exam? Here's what you need to know about preparation and the exam itself.

CT scan

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

Positron emission tomography (PET) scan

A positron emission tomography (PET) scan is an imaging test that can detect changes within certain tissues or organs early, often before disease progresses.

Upper endoscopy

Find out what to expect during your endoscopy exam.

Treatments and drugs

Chemotherapy

Find out what to expect as you prepare for chemotherapy treatment.

Radiation therapy

Radiation therapy is a common means of treating many types of cancer. Find out what to expect during your radiation therapy treatment.

Apr. 26, 2013