NELSON was a population-based, randomized, controlled trial using volume-based, low-dose CT lung-cancer screening in men at high risk for developing lung cancer. The screening protocol in the NELSON ...

Computed tomography (CT) is a type of medical imaging tool that allows doctors to see inside a person’s body. Doctors may use an abdominal CT scan to look for signs of injury, infection, or disease in ...

If you feel pain in your neck and shoulder, your doctor might want you to get a specific X-ray to see what’s causing the pain. This test is a computed tomography scan or what's more commonly called a ...