Removal of fluid from a cyst or cells from a lump, using a needle and syringe. A measure of the chances of getting cancer without the presence of any specific factors known to be associated with the disease. The removal of a sample of tissue or cells for examination under a microscope for purposes of diagnosis. A general name for more than 100 diseases in which abnormal cells grow out of control. Cancer cells can invade and destroy healthy tissues, and they can spread through the bloodstream and the lymphatic system to other parts of the body.
Most cancers are carcinomas.
The use of drugs or vitamins to prevent cancer in people who have precancerous conditions or a high risk of cancer, or to prevent the recurrence of cancer in people who have already been treated for it. Structures located in the nucleus of a cell, containing genes. The use of a small cutting needle to remove a core of tissue for microscopic examination. A frozen section provides a quick preliminary diagnosis but is not 100 percent reliable. An alteration in a segment of DNA, which can disturb a gene's behavior and sometimes leads to disease.