Also called immunotherapy. The removal of a sample of tissue for examination under a microscope to check for cancer cells. A flexible, lighted instrument used to examine the trachea and bronchi, the air passages that lead into the lungs. An operation in which the surgeon creates a new pathway for the movement of substances in the body. A term for more than 100 diseases in which abnormal cells multiply without control.
Cancer cells can spread through the bloodstream and Iymphatic system to other parts of the body.
Cancer that begins in the lining or covering of an organ. Patients take part in studies designed to answer scientific questions and to find better treatments. The part of the digestive tract that leads to the rectum. Also called the large intestine or the large bowel. An x-ray procedure that uses a computer to produce detailed pictures of organs in the body.