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Unlike clinical research trials, prevention trials involve people who do not have cancer.

Learn about how surgery is used to treat colorectal cancer, including the types of surgery, when they are used, and what to expect before and after the procedure.

An ethics consultation helps patients and their families make better informed decisions about care.

Duplex ultrasound uses sound waves to get images of your blood vessels. Your healthcare provider may want to do a duplex ultrasound to find out if you have any problems with the vessels that carry blood to and from the major organs in your body.

Cryptosporidium infection is an illness that affects your intestines. It's caused by a parasite. Read on for details about symptoms, diagnosis, treatment, and prevention.

Costochondritis is inflammation of a rib or the cartilage that connects a rib to your breastbone (sternum). Read on to learn more about the condition and how it can be treated.

A contrast echocardiogram helps your health care provider see how your heart is working. It uses ultrasound and a contrast fluid to help highlight the structures in the heart.

Your lungs are each surrounded by two layers of membrane. The space between the layers is called the pleural space. Excess fluid, blood, pus, or air in the pleural space makes it hard for the lung to expand and makes breathing difficult. A chest tube is a soft, flexible tube put into the pleural space that drains blood, air, or excess fluid.

You have been told you need a colostomy. Or you have recently been given one. Learning as much as you can about your colostomy can help you adjust.