intravesical chemotherapy
(IN-truh-VEH-sih-kul KEE-moh-THAYR-uh-pee)
Treatment in which anticancer drugs are put directly into the bladder through a thin, flexible tube inserted into the urethra (the tube through which urine leaves the body from the bladder). Intravesical chemotherapy may be used to treat some types of early-stage bladder cancer.