Dictionary of Cancer Terms
View in Spanish: BCG
BCG
A weakened form of the bacterium (bacillus Calmette-Guérin) that does not cause disease. BCG is used in a solution to stimulate the immune system in the treatment of bladder cancer and as a vaccine to prevent tuberculosis. Also called bacillus Calmette-Guérin.
Source: National Cancer Institute Dictionary of Cancer Terms, available at www.cancer.gov/dictionary.